Mei is a beautiful and successful woman in many ways. However, her romantic relationships never go well. One day, MeiÔÇÖs widowed father tells her he will marry Lan, an ugly and obese murder suspect. Even more shocking is that Lan is accused of being the ÔÇ£Poisonous WidowÔÇØ who lives a luxurious life by killing her rich husbands. Mei begins to investigate LanÔÇÖs background to save her father from being a victim. Bit by bit, Mei is subconsciously influenced by LanÔÇÖs twisted views on love, money, and sex.