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.

When Diem's custodial grandparents adamantly refuse Kenna's attempts to see her daughter, Kenna discovers unexpected compassion, and then something truer and deeper, with former NFL player and local bar owner Ledger. As their secret romance develops, so do the dangers for both of them, leading Kenna toward heartbreak and, ultimately, the hope for a second chance.