Yuan Hui's cohabiting girlfriend, Pao lien, who arranged the marriage for the Yeh Chiu couple and who witnessed Yuan's suicide, feels fittery day and night, fearing that her spirit may haunt her. Li- hung, who has been at variance with her, plays a ghost to scare her. Wen Yung, who was extremely nice to his late sister Chiu-yen, took it for granted that Yeh Chiu and his company were responsible for her death, and determines to kill anyone concerned with arranging the marriage. An ex-Vietnamese refugee, who received military training before arriving at Hong Kong, Wen Yung had a fierce disposition. Disguised as his deceased sister, he drives at night to Pao Wen's home to scare her, throwing her off the balance. When told of this, Yuan Hui suspects. When escorting illegal immigrants, Shih Kou-kung and others gamble on the police van, resulting in their escape. Hsi-ya tries to knock the truth out of them, but in vain……