The male protagonist Xi Yu is a member of the revenge group codenamed "Four Leaf Clover". He received a mission to avenge the heroine Lin Hui and got close to Lin Hui. Later, he fell in love and found out that the heroine was his long-lost sister. He gave up his position as the leader of the group for the heroine and left the heroine for three years. Later, Lin Hui died and Si Yu served 15 years in prison.
Intention: Love boldly and let go of hatred