To save her sister with heart disease, Xu Qinghuan asks He Xiao for help at the cost of being his lover. But Zhao Xiwan, fearing losing He Xiao, frames Xu Qinghuan, causing her sister's death. In despair, Xu Qinghuan breaks up with He Xiao, but he has fallen in love with her. He then investigates the truth, punishes Zhao Xiwan, and pursues Xu Qinghuan back again.