“Those people who only judge appearances will always find ways to criticize you, no matter how perfect you are. Don’t let them tell you what to do. Is your life theirs or yours?” – Junwoong’s mom

"Tomorrow" follows the day-to-day work of the Risk/Crisis Management Team of Jumadaeng (the afterlife company for Korea) which serves to prevent highly suicidal people from committing the deed and strives to bring happiness in their lives. Choi Joon Woong, a jobless young man, gets involved with grim reapers as he tries to save a man from taking his own life. Soon he goes into coma, becoming half dead, and joins the RM team till his recovery. There he meets, Team Leader Ko Ryeon (Kim Hee Sun) and his assistant Lim Ryung Gu (Yoon Ji On); together they save countless lives while facing the threat of disbanding from other departments of Jumadaeng, including the most elite Park Jung Gil (Lee Soo Hyuk), the leader of the escort team. Kim Hae Sook plays the Jade Emperor in Jumadaeng.