 As the train travels through the country, passenger Han (Richard Ng) sneaks back and forth on roof of the train between his fat wife (Lydia Shum) and his beautiful mistress.The bandits from the town try to board the train.The first bandit (Eric Tsang), with his body covered in magnets inadvertently gets stuck to the train, whilst the second bandit (Lam Ching Ying) using the rope to climb aboard.