The Smile Has Left Your Eyes
A detective wants to quit. He investigates a university student's murder-suicide. He's preoccupied with solving the case. She meets a man, his younger sister. The man forgets his childhood. He's not a good person, but she likes him. The detective pushes the man away from his little sister. Detective suspects the man is engaged in the university student murder case. The man and detective's sister fall in love.