Elbow Grease and his monster truck brothers are hardly prepared when they meet Chopper, a speedy, purple monster motorcycle. Chopper wants to be friends with the brothers, who are more than impressed with her epic skills! But when the trucks start to get jealous of her talents, they must learn to overcome their frustrations and welcome a new friend into the group--especially when it's up to them to work together to save the day! Elbow Grease and gang are back in another rip-roaring adventure, in John Cena's third installment in the series!