Du Haofan is a gay. He went to his sister's house to heal after causing a big scene at her boyfriend's wedding. As a result, both her sister and brother-in-law were shipwrecked at sea. He went out to sea as a landlubber and was rescued from the sea by his ex-brother-in-law, but was reborn at the age of 5. When he met his ex-brother-in-law for the first time, through some strange combination of circumstances, he and his ex-brother-in-law began to play a game of not knowing who raised whom.