Nate Ferraro moves his wife Colleen and kids Max and Lena into his grandfather's wrestling arena to run the family wrestling business. Across town is Russell, a jack Russell terrier puppy desperate for a family.
Hunk and Lena bond in secret while The Ferraro's struggle to put on successful wrestling shows only to be surprised by Russell's debut in the ring.
Hunk reveals himself and Russell to the Ferraro family and they decide Russell will be their new headlining wrestler after a video of him goes viral. Hunk trains Max and Russell in preparation for Russell's official debut in the ring and they draw the attention of Mick Vaughan, wrestling tycoon.
The building inspector forces the temporary shutdown of Ferraro wrestling and in order to cover the renovation costs to reopen, Nate makes a deal with Mick Vaughan sending he, Hunk, and Russell on the road for a tour causing them to miss key family at home.
Russell faces off against the current heavyweight champion The Hammer and learns a distressing truth about his legacy as a wrestling superstar.
Max and Hunk run away from home to try and save Russell from Mick Vaughan's arena as Derek shows up at the Ferraro's with his adoption certificate for Russell.
Max and Russell are a wrestling tag-team in the championship rematch for the belt, and most importantly, ownership of Russell and the Ferraro Wrestling Arena.