George emerges as Tom Sawyer's jealous rival, spurred by rivalry over Becky Thatcher's connection to Tom's circle. This jealousy culminates in George stealing a box of nails from a hardware store and attempting to incriminate Huck Finn and his companions for the theft. Confronted by his father, George experiences regret, returns the stolen nails to Huck, Tom, and Jim, and offers an apology. His sincere restitution gains him acceptance into the group, culminating in his assistance completing their treehouse construction.