Five years ago, Lin Wanwan pretended to be materialistic and broke up with her boyfriend Lu Chenyan to protect his acting career, then left alone and gave birth to their son Chenchen. Five years later, Lu Chenyan, now a top-tier A-list actor, reunites with Lin Wanwan, who works as an extra, on a film set. He misunderstands her as being greedy for wealth and treats her harshly. The clever little boy Chenchen uses various tricks to help the two, gradually uncovering the truth of the past, resolving long-standing misunderstandings, healing the regretful old relationship, and leading the whole family to a happy ending.