Reborn in 1983, Lu Haisheng returns to a time when his father has just passed away and his second uncle, Lu Haihe, is scheming to seize the family's fishing boat to settle a debt. Determined to protect his family and their boat, he uses memories from his previous life to go fishing and earn his first fortune, paying off the debt. He repairs the boat, expands his fishing nets, and ventures into the tidal flats to collect abalones. Facing village gossip and malicious rumors, he protects his mother and younger sister and resolves to change his family's impoverished fate by making a living from the sea.