Two inventors encounter a friendly little ghost, and stumble onto a plot to capture the ghost’s uncle who was responsible for his untimely death. However, the inventors are warned by a spiritual master that humans and ghosts cannot co-exist in the same room at the same time. Doing so would cause a drainage of humans’ life force.
Li Tzu-Liang is returning to Hong Kong with the ashes of his wife. He now has to bring up his two sons on his own. Though he is quite well-off, he his plagued by debts and when he loses a large sum of money betting on horses, he has to turn to dangerous loan-sharks. Here starts a spiral which gets him and his two sons deeper and deeper into trouble.