Li Hailong, a legendary fishing king in his seventies, is harshly criticized by his son and daughter-in-law on his birthday. After collapsing, he is reborn in the 1990s. Finally coming to his senses, he decisively separates from his family and uses memories from his previous life to seize the booming crayfish industry. He pioneers new farming methods, develops secret recipes, and builds a successful business, becoming a famous crayfish king far and wide. However, his rival Qian Baiwan maliciously sabotages and schemes against him. His misguided son eventually comes to his senses and exposes the conspiracy in front of everyone. After his antagonist is defeated, Li Hailong helps the entire village become prosperous and spends the rest of his life with his kindred spirit, Lin Haiyan, beginning a completely new chapter.