Monkey Man stars Dev Patel as Kid, an anonymous young man who ekes out a meager living in an underground fight club where, night after night, wearing a gorilla mask, he is beaten bloody by more popular fighters for cash. As his childhood trauma boils over, his mysteriously scarred hands unleash an explosive campaign of retribution to settle the score with the men who took everything from him.

Sampung taon matapos ang law school, muling nagkita ang magkakaibigan nang malaman nilang may sakit ang dati nilang propesor. Kasama ang mas batang henerasyon ng mga law student, sila na ang magiging pamilya nito. Sa pagdaan ng panahon, bawat isa ay muling makakahanap ng direksiyon at kahulugan sa buhay.