Miki ran away from home with the help of a police officer's son, Lee Taemin. She doesn't look back at anything, only wanting to get away from her twin sister, Jiyeon that is putting pressure on her with something Miki has not done. She has not killed anyone. Never. But no one believes her, except Taemin...Who knows the truth, who stays by her side, despite her countless motives to ditch him on the run.

At the end...Will there be a rainbow after the rain?