Sir Handel is given a set of tyres, which makes him highly conceited. The engines plan to set him straight and their chance comes with the arrival of a steamroller called George. The two meet at a level crossing where George accuses Sir Handel of trying to imitate him with his 'steamroller' wheels. The two engines meet a second time at a point where the road and railway run parallel. An argument is sparked and George 'accidentally' knocks over two of Sir Handel's trucks. George leaves a few days later and Sir Handel thinks that it was his doing - until he overhears some boys saying that he was nearly beaten by the steamroller.
