On the eve of his wedding, Zhou Yiquan received the news that his student sweetheart Tang Jiayan had died in a car accident, which aroused his deep inner memories and emotions. He went to Harbin to mourn and accidentally revealed the secret behind Tang Jiayan's car accident. In order to fulfill Jiayan's wish, he gambled in the mall and finally let the bad guys get the punishment they deserved. Yesterday is the past and youth, tomorrow is the future and maturity.
