Lincoln Hawk, a struggling trucker, tries to rebuild his life and relationship with his estranged son, Michael, after the death of his wife. Forced to retrieve Michael from a military academy at the behest of his dying wife, Hawk faces hostility from both his son, who feels abandoned, and his wealthy father-in-law, Jason Cutler, who holds Hawk responsible for his daughter’s death and wants full custody of Michael. Cutler uses his wealth and influence to create obstacles for Hawk, determined to keep him away from Michael. Despite these challenges, Hawk remains resolute in proving his worth to his son and himself.

Amidst this emotional saga, Hawk prepares for the World Armwrestling Championship in Las Vegas, believing a win will secure his financial future and his right to raise Michael. Armwrestling, which serves as a metaphor for Hawk’s strength and determination, becomes the central point of his journey. As he aims for the championship, Hawk faces fierce competitors and personal demons, aiming to win not only the prize money but Michael's respect and love. The tournament's high stakes force Hawk to confront his past mistakes and pave the way for a possible reconciliation with his son.