Eun-A (Kim Sun-A) lost her family at the hands of a serial killer. She is now mentally and physically destroyed. Eun-A then decides to get revenge. She enlists the help of four people marginalized by society including a North Korean defector, ex-gang member and a person heavily in debt. All four persons need organ transplants. Eun-A's plan is then set in motion. Written by Thomas

In the summer of 1969, Colonel Kim Jin Pyeong returns to South Korea after serving in Vietnam. He is suffering from post-traumatic disorder and trapped in a loveless marriage with Soo Jin, who is desperate for a child. One night, he meets new neighbor Jong Ga Heun, the Chinese-Korean wife of Captain Kyung Woo Jin who recently transfered to the army camp. In the stifling atmosphere of the army camp, the two fall into a secret and passionate affair. Written by Jiilo_Kim

In 1983, high school teacher Ji-hwan is attacked by a pickpocket. In 2015, homicide detective Gun-woo is shot during a chase and loses consciousness. Both men are taken to the same hospital in different time periods, and both their hearts stop and miraculously start again at the same time. A mysterious force binds them together, allowing them to see through each other's lives in their dreams. Soon realizing that the woman they love strikingly resemble each other and that they are in fatal danger, the two men must team up to trace the past and change her destiny. Written by CJ Entertainment