Jinmu starts to record things he should remember with a camera after hearing that he could lose his memory due to the prearranged brain surgery. Memories of family and his forgotten father comes to Jinmu's mind as he takes records of his life.

Hwang Yeo-rae, a once-popular actress, faces a turbulent marriage and yearns for her old career. When she moves in next to Kim Beom-woo, her biggest fan, a desperate plan to regain her freedom and revive her career unfolds.

When a zombie virus pushes Korea into a state of emergency, those trapped on an express train to Busan must fight for their own survival.