The series has three main characters, who live with their respective seven years of age are caught up in the ‘keyword salvation’.

Kang Da Jung (Seo Hyun Jin),a hotel concierge manager who treats a motel she stayed once, in Gangneung, her mental retreat. She moves to an old building for a fresh start. Joo Young Do (Kim Dong Wook), a psychiatrist, who helps people live. Chae Joon (Yoon Park) is a CEO of an investment company who appears in front of Da Jung as if he had read her as an open book. Ahn Ga Young (Nam Gyu Ri) is an actress who is wary of love as she was used by her boyfriend.