This story takes place after F4 thailand Arinya Grace Jarustiwa, the one and only sister of MJ (Methas Jarustiwa), has prejudice issues. She does not believe in second chances neither believes that people can change. So that's why, she hates every one of her brother's best friends. But will time change her views? Will destiny make her fall in love with her brother's best friend, despite her views??

Hitman's (Agent 47) is a professional assassin. He is cold, professional, and reserved. Agent 47 is emotionless and closed off to the suffering of those he kills. He prides himself on being perfect, poised, and ready to take on any challenge that could come his way. Hitman doesn't know about his past he has been brainwashed to be an agent to avoid having emotions in him. He was trained for this since his childhood. So he didn't had a normal childhood like other's. He cannot fall in love with anyone since it could affect his work. But things started to change after meeting Elena. Whereas, Elena has always been a shy yet warm type of gurl. She never had any interest in any boys and hates being in relationship but when she meets hitman, everything she used to believe in started to changed. She has been exposed to a complete new world and gets to know more about hitman about his lifestyle she was shocked to know how he was living in such an "emotion less" world where there was no happiness just new missions everyday.