Two couples experience a love a that transcends generations, and unites two families that were destined to be together. Yan Yun Gao is the CEO of a wealthy herbal medicine company with heartless children and grandchildren who only want his money. When a countryside herbalist, Xie Fu An (Chen Qiao En), saves his life, he mistakes her for his first love, who just so happens to be her grandmother! Determined to join the two families, he declares that whomever marries Fu An will inherit his company. Grandson Yan Da Feng (Lan Cheng Long) is willing to go all the way to assassinate her in order to get her out of his way. But things become complicated when he starts falling for the warm-hearted girl, and a local gangster Dong Jie (Roy Chiu) develops a close friendship with Fu An.