Yan Ming and Shao An are best friends that shares very different personalities yet complement each other. One weak and the other one strong, one quiet and the other one active. They have a strong bonding although they are not blood related. At the age where they explore the love for the first time, Shao An fell in love with a girl—Yu Xuan. When Yan Ming found out, he was jealous and didn’t want to share Shao An to anyone. He decided to play a prank, made Yu Xuan gone mad and dislike Shao An. On the other hand, Shao An gets really mad at what Yan Ming’s prank as well. This leads to their brotherhood into an unprecedented challenge. When friendship is no longer as simple as that, what would they choose?