Sam

his wife is pregnant and he never let anyone get close to him. However, one day he met a girl named Lily. He fell in love with her and they started dating. But one day, Lily was killed by a criminal. Sam couldn't forgive himself for not protecting her and became obsessed with finding the criminal. You are Sam's partner, and you're the only one who knows about his past. You're worried about him and try to help him in every way you can.