Walter discloses to Peter, Astrid and Etta that September had created a plan to defeat The Observers in the future, but he partitioned Walter's memory to protect the information from The Observers. They look for Olivia and find the possible location covered with amber but cut for the removal of the trapped people. Etta explains that there is a black-market where amber gypsies use to sell people encased in amber. They find that the buyer of Olivia is the librarian Edward Markham that has a crush on her. They head to his apartment to rescue Olivia, but the black market dealer warns The Observers about the group. They head to the building but Peter, Astrid and Etta flee with the encased Olivia in a van. But Walter is captured and taken to Captain Windmark for interrogation. What will happen to Walter? Written by Claudio Carvalho, Rio de Janeiro, Brazil

Harvard is now a secret observer installation. But Walter remembers a secret entrance that will give him access to his lab and perhaps a way to recover his plan to rid the world of the Observers. Olivia gets a distasteful look at Observer interrogation methods as Etta questions a loyalist security guard in hopes of finding a way to restore power to the lab. As Olivia and Etta disagree on how to dispose of their captive they gain a greater appreciation of each others character. Written by David Foss

After piecing together the videos of Walter's plan Olivia, Peter, Walter and Etta head to rural Pennsylvania to retrieve essential materials for the plan. There they encounter a group of archivists who may be able to help with some local obstacles. Written by David Foss

Buying a gift for Etta proves risky for Peter and draws unwanted Observer interest. Walter discovers the whereabouts of the second component to the Observers' downfall and prepares a proactive approach against them. Capt. Windmark deduces that some people are able to block Observer mind-reads. The reunion of an old friend coincides with the loss of a loved one. Written by statmanjeff

As Walter fears Peter and Olivia losing themselves over Henriett's death, Peter heads down a road of revenge, brutally interrogating a captured Observer to understand the assemblage of a future tech cube used in transporting cargo through time. Written by statmanjeff

While Peter and Olivia grieve the loss of Etta, Walter retrieves the tape #7 and heads alone to an apartment building in a derelict zone to bring an essential component of the plan to defeat The Observers. The apartment is the opening to a pocket universe' where the laws of time and physics do not work. Walter finds a man called Cecil that accidentally felt in this universe twenty years ago but only five days have passed in the pocket universe. Meanwhile Astrid finds the tape and goes with Peter and Olivia to the apartment. Peter and Olivia use the entrance to the pocket universe to seek out Walter while Astrid wait for them. But The Observers have identified Walter on the street and are heading to the area. What will happen next? Written by Claudio Carvalho, Rio de Janeiro, Brazil

As Walter notices unattractive changes in himself from his brain restoration (leading him to make a startling request of Nina Sharp), Olivia notices changes in Peter - now cold and calculating - which leads her to learn of his implant as the team labors toward obtaining the next vital elements needed to defeat the Observers.

With Peter obsessively stalking Capt. Windmark and manipulating his future, Olivia sets out alone to fetch the next needed item to defeat the Observers - a scrapyard-strength electromagnet. As Walter and Astrid study the behavior of another Observer brain implant to determine what's happening to Peter, Peter learns a lesson from Windmark himself. Written by statmanjeff

Astrid awakes during the night with a signal from the radio brought from the pocket universe. She tries to decode the signal but Walter is tripping after dropping a black blotter acid and is incapable to help. The group contacts Anil to help to triangulate the signal and locate the source. Peter and Olivia go to the spot and find skeletons including one with the identity of Sam Weiss and conclude that he died protecting the transmission. Peter finds the location that is broadcasting the signal and he heads with Olivia, Walter and Astrid to an isolated house in an island. Will they find Donald? Written by Claudio Carvalho, Rio de Janeiro, Brazil

Walter, Olivia, Peter and Astrid do not succeed to contact Michael and they decide to ask for help to Nina Sharp at the Ministry of Science. She takes them to a secret laboratory that belonged to the Massive Dynamic and is used by the resistance to study Observers. However the software does not recognize his mind and the group leaves Michael with Nina while the go to a Ministry of Science facility to bring a second interface to let Michael read Walter's mind. However Captain Windmark suspects of Nina and track her down. When he arrives at the laboratory, Nina hides Michael and when Windmark interrogates her, she commits suicide to protect her friends. When the Fringe group arrives, they find Michael and take him to the Harvard laboratory. Soon they learn who Donald is. Written by Claudio Carvalho, Rio de Janeiro, Brazil

Walter uses the deprivation tank to explore the vision of September and find where he is. Walter finds that he is in Brooklyn, in New York, and he goes with Peter, Olivia, Astrid and Michael to the place. The meet September that explains that The Observers have removed his implant and trapped him in 2016 since he had interfered in the timeline. He also explains that in 2167, the scientists have sacrificed the emotions to increase the capacity of intelligence in the brain. Later he Observers have created a technique for asexual procreation and Michael was considered an anomaly and would be destroyed. But September hided him in the past since his genes have been used to create Michael. The plan to destroy The Observers is to send Michael to 2167 to demonstrate to the scientists that emotions can exist with increased intelligence. If the plan works, time would be reset from the moment of the invasion. When the group returns to the laboratory, they have to go using monorail since all the ... Written by Claudio Carvalho, Rio de Janeiro, Brazil

Captain Windmark secretly brings Michael to a facility in the Liberty Island to interrogate the boy. He goes to 2069 to ask his superior to destroy the boy but he is asked to disassemble him to be studied. Meanwhile Broyles finds where Michael is and Olivia decides to use Cortexiphan to cross to the parallel universe to reach the Liberty Island facility and bring Michael with her. Meanwhile September assembles the time machine but one important component does not work. What will happen next? Written by Claudio Carvalho, Rio de Janeiro, Brazil

September asks December to bring an initiating reactor to complete the time machine. Then he meets Walter, Peter, Olivia and Astrid and explains how the device works. Peter finds a farewell video tape from Walter addressed to him. Olivia and Astrid go to December's apartment to bring the initiating reactor but they find him hanged and the part taken by Loyalists and The Observers. Astrid suggests to use an Observer shipping lane instead. Olivia and Peter go to the Observer's headquarters and use chemical gas to retrieve a control cube to use the shipping lane. They also rescue Broyles that was interrogated by Windmark. Now they start to set in motion the plan to defeat The Observers. Written by Claudio Carvalho, Rio de Janeiro, Brazil