STORY: Guardian Angel gets assigned to a girl with a terrible case of bullying and suicide only to find out that her soul is also on The Reaper's list. Slowly, he discovers that there's more to this suicidal girl and realizes there's more to just saving this human's soul. His boss, Tae Song, keeps reminding him of how this mission can save more than one life. Later on the Guardian Angel will be put through a choice of saving the human's life by risking his with the alternative of walking away from the mission as if nothing happened. So does he stay or does he walk away? 

Bang Yong Guk. The Angel assigned to a human. Chosen for specific human cases only. Had his fair share of a dark life. 

Woo Jiho, Zico. Also known as The Reaper. Assigned to take damned souls with him to hell. Charming, cunning and devious. 

Park Soo Jin. A girl with a tragic life story that led her to do what she's doing now. Terrible case of suicide. Life twist. Critical with people. Terrible trust issues.

Kim Jae Joong. Father of Kim Yeon Hee. The founder of the Iron Fist Tournament. Boss of mafia Pain. CEO of the Kim Trade Industires, the number one trading corp. 

Kim Yeon Hee. Class Queenka. Daughter of the most feared man both in the trading and illegal business