A few days before her wedding, Ji Hyun was looking forward to her future with her seemingly perfect fiancé, Min Ho. In contrast, Yi Kyung was unhappy with her life and resolved to end it by walking into a busy street. Their two worlds collide as Ji Hyun gets into an accident and falls into a coma as a result of Yi Kyung's actions. However, Ji Hyun is given a second chance at life by a reaper. He tells her that if she collects three genuine tears from people that aren't her blood relatives, she can live again. In order to maneuver the world of the living, she's given use of Yi Kyung's body, but she cannot use it past midnight and she must keep her identity a secret.