Feng Kai, a food delivery rider, upon learning that there was a matching heart source for his heart disease, went to the hospital to pay the high surgical fee. However, his girlfriend, Shen Xiaoxi, showed up with debt collectors and tearfully claimed that she had gambled and owed a large amount of debt. In order to protect Shen Xiaoxi, Feng Kai handed over his life-saving money. In fact, Shen Xiaoxi was the daughter of a wealthy family. She pretended to be poor and stayed with Feng Kai in order to use Feng Kai to provoke her first love, Fu Mingchen. On this day, Shen Xiaoxi secretly held a birthday party for Fu Mingchen and placed an order for food delivery. Feng Kai accepted the order to deliver the cake and unexpectedly discovered Shen Xiaoxi's true identity. He was filled with despair.
