Hanguang's best friend dies, and he is left to take care of his son, Wei Ying. Wei Ying meets Lan Zhan, who is Hanguang's son, and they form an unbreakable friendship.Wei Ying and Lan Zhan have two different personalities, and that what keeps their bond growing. Their brotherhood soon blossoms into something much greater than friendship. But their lives turn upside down when they find out the truth about their family history. Meanwhile, Hanguang has to do his best to protect his family no matter the cost.