Cao Jiangang and Qu Shengwu have been friends since childhood. And Shengwu has been in love with Gang's sister, Cao Muchun, since he was in middle school. As time passes, Shengwu has grown up, and his love for late spring has not diminished but has become stronger. And late spring is getting married next month. Not knowing what to do, Shengwu found Gang, who had just returned home. Just agreed to help Sheng Wu. When everything was moving towards a happy future, Gang suddenly confessed his love to Shengwu, and at the last moment, Wuchun also discovered that he couldn't live without Shengwu who was always by his side. The two siblings immediately started a war to defend their love. Who will Shengwu choose? But it will definitely have a happy ending!