In his past life, Ethan Hayes’ gambling addiction led to the tragic deaths of his wife and daughter. Reborn in a fishing village in the 1990s, he resolves to turn over a new leaf and protect his wife Claire and their daughter Mia. Gaining special underwater breathing and x-ray vision abilities, he dives into reef caves, isolated islands and deep seas to catch high-value seafood. Starting with a small wooden boat, he grows wealthy against all odds.