Due to his mother's serious illness, a young man named Ali is in need of a great deal of money, so, since he already has experience as a wrestler, he turns to the secret world of underground fighting, but since he is not a very skilled fighter, he continues to get destroyed by his opponents. When a man named Duke, who is one of the handlers involved with the event, sees his struggles, he feels sorry for Ali, who is also a college student, so he takes on the task of training him to be one of the most formidable competitors of the underground sport.