The series tells the story of the childhood sweethearts Cheng Yi and Ling Zi Ming and their vindictive friends Lu Xiang Lin and Yue Yu Zhi. Ling Zi Ming and Cheng Yi are two childhood friends, who come from two incomplete families. Zi Ming has been living together with his second eldest maternal aunt since his childhood, while Cheng Yi has been brought up by his grandma. Because of the similar family background, the two boys supported each other emotionally. But as they entered puberty, their psychology underwent dramatic changes. Still being young, the boys have no ideas what love is. Though attempting to get close to each other one after another time, they unexpectedly get increasingly estranged from each other.

• Hu Bowen
• Cyrus Huang
• Meng Yue Chen
• Hu Shiwen
• Yu Lexin
• Zhuang Yuchen
• Jin Minqiang