Chuzhi, a female college student who was living under someone else's roof, was neglected by Bo Xu and made things difficult for her by Tang Yingxue in the Bo family, but she unexpectedly aroused Bo Chiyi's affectionate protection. Bo Chiyi has been secretly in love with Chuzhi for many years. From silent support to strong defense, he fights for her family and punishes evildoers. After Chuzhi recognized Bo Xu's selfishness and Tang Yingxue's viciousness, she gradually saw her heart clearly, broke away from the shackles of being dependent on others, and responded to Bo Chiyi's love. After experiencing family obstacles, misunderstandings and suspicions, the two finally overcame all difficulties and came together, reaping the love that goes in both directions.