The story of Claressa 'T-Rex' Shields, a boxer from Flint, Michigan who trained to become the first woman in her country's history to win an Olympic gold medal in the sport.

Amid the drug trade on Cape Cod, a body washes ashore and is discovered by an irreverent National Marine Fisheries Service officer, Jackie Quinones, who is determined to help solve the murder even if the state cops want her nowhere near the case.