Having died unexpectedly, firefighter Ja-hong is taken to the afterlife by 3 afterlife guardians. Only when he passes 7 trials over 49 days and proves he was innocent in human life, he’s able to reincarnate, and his 3 afterlife guardians are by his side to defend him in trial.

Hyo-joo, an untenured instructor at a boys’ high school is assigned to a class of seniors as a HR teacher. She notices that a specialized dance student Jae-ha is absent from the self-study session, and finds him practicing refined dance movements in the gym. The next day Hae-young, the school board chairman’s daughter arrives as a tenured instructor, which was the position assumed to be offered to Hyo-joo soon. Hae-young, sweet and having grown up with no worries, treats Hyo-joo with affection, but Hyo-joo only gives her the cold shoulder. Then one day, Hyo-joo witnesses Hae-young and Jae-ha in the gym, having sex, and from that moment on, she starts feeling an inexplicable sense of humiliation towards Hae-young while gradually falling under the influence of Jae-ha’s elusive charm.

A man calling himself Jin-young walks into a police station to report a missing person: himself. Starting at the end of the story, Jin-young is revealed to be be Suk-won, a lawyer suffering severe memory loss and a total change of character. Formerly ruthless and calculating, the amnesiac Suk-won is kind and gentle; completely unlike the man his colleagues want for the important trial of their highest billing client, Mrs. Kim. In order to appease his firm, Suk-won goes to see a psychiatrist. At the hospital he meets Jin-young, a skittish woman he is inexplicably drawn to even as she does her best to steer clear him. As Suk-won investigates both his own past and Mrs. Kim's case the tragic truth of his and Jin-young's enduring connection to each other is revealed, bringing Suk-won full circle in a story of loss and the pain of remembrance. Written by CJ Entertainment

A woman finds a man in a box in front of her home and takes him in. She jokingly says she wants to keep him as her pet since the man reminds her childhood dog. The man agrees. Later the woman discovers that the man is a dance prodigy. Complications arise when her old flame from college appears.

A missing person case involving a female university student and the victim in a hit and run case appears to be the same person. Detectives look for a witness. A witness, Min Soo-Ah appears, but Min Soo-Ah is blind. She used to be a promising student at the police academy. With her acute senses, Min Soo-Ah is able to reveal important clues on the hit and run case. Another witness, Kwon Gi-Seob then appears. Gi-Seob, who witnessed the case with his own eyes, gives contradictory statements to Min Soo-Ah. The investigation then goes through many twists and turns, while Min Soo-Ah finds herself up against the killer.