My Son’s Worst Rival

At their graduation party, He Zhizhi is drugged by the scheming Bai Wan and unexpectedly spends the night with Xie Huaijin. Eight years later, He Zhizhi returns to China with her son, only to find that Xie Huaijin has meticulously planned their "coincidental" reunion. Shamelessly pursuing her, he even manages to move into her home under various excuses.