In the late 1990s, up-and-coming mixed martial artist Mark Kerr aspires to become the greatest fighter in the world. However, he must also battle his opioid dependence and a volatile relationship with his girlfriend Dawn.

In the late 1990s, up-and-coming mixed martial artist Mark Kerr aspires to become the greatest fighter in the world. However, he must also battle his opioid dependence and a volatile relationship with his girlfriend Dawn.