Yang Hai, a 30 - year - old honest and decent man, kindly rescued Liu Cuilan who was hit by a hit - and - run driver in an accident. However, he was wrongly accused by her son, Zhao Dalei. Because of this, Yang Hai lost his job, and the money for his daughter Yang Lin's treatment was gone. His bank card was frozen, causing his daughter to miss the best treatment opportunity. Filled with indignation, Yang Hai, after facing the choice of whether to save or not, which is a test of human nature, lost everything. He decided to seek revenge and uncover the truth. At first, his wife, Zhou Hui, misunderstood him, but later, after learning the truth, she joined him in searching for evidence. Yang Hai's parents sold their house and the dowry to save their granddaughter. Unfortunately, Yang Hai's mother passed away suddenly when she learned that her son was sentenced to probation.
