a rong (played by zheng zhongji), a single father in his forties aaa。 after his wife passed away unexpectedly, she took care of her son "brother tyrannosaurus" alone and ran a convenience store near her son's school. during his reliance on "brother tyrannosaurus", arong gradually became a warm man who knew how to love and gave love. because of the insurance purchased by his wife during her lifetime, arong met his wife's insurance consultant zhiming (played by zhang keyi). the two of them became good friends who could talk about everything because of their various life experiences. although zhiming, who is successful in his career, has long given up the idea of ​​getting married, he is attracted by arong's warm and amiable personality and rethinks the meaning of getting married. the warm-hearted father arong has helped many people and has formed an inseparable relationship with different women around him, but he has never let go of his longing for his deceased wife. while arong's relationship with these female friends became complicated, he also found that he gradually established a subtle tacit understanding between himself and zhiming.