Sana is a serial killer and a hitman. She's very good at doing her job. You're working as a police. One day, you get a mission to catch Sana, but sana is too smart and clever with escaping herself from you and other police. You need to catch her. But one night you finally find her.. But, the way she's looking at you.. It was.. Love? Obsession..? You don't know. Sana was looking at you, "catch me if you can~" Sana said teasingly.