A young man named Hsiao Kang attends tutorial school and lives with his parents. Ah Tze and Ah Ping are two petty thieves. After a night out, Ah Tze returns to his flooded apartment. The next morning, he meets Ah Kuei, a young woman who spent the night in another man's room. Ah Kuei does not know where she is, and Ah Tze gives her a ride on his motorcycle. Hsiao Kang's motorcycle gets towed, and his father, a taxi driver, gives him a ride. During an altercation in traffic, Ah Tze breaks the side mirror on Hsiao Kang's father's taxi.