The third installment in the Lucky Stars series, following Winners and Sinners and My Lucky Stars. The team are released from prison to play detective in order to stop a ruthless gang from ruining their reputations, taking their lives, and that of a key witness in an upcoming trial. They must battle their way through and with the help of Muscles, take down the bad guys.

Joey was at the age of twenty-two and she was an independent and cheerful girl. She worked in an advertising company and she met a boy named Chiu Kwok Chiao who had just returned from America. Chiu was at the age of twenty-four. He seemed childish, when he met Joey, he fell a victim to her beauty. After a period of time they were in a low spirit because Joey was more intelligent than Chiu. Lui Lai Ho was Joey's mother and she was forty years old.

The beautiful Cherie Chung plays the title character, an exercise teacher who is wooed by a rich, older businessman and a young photographer. You watch Cherie as she bounces between these two, not really liking the businessman, while the photographer is more in love with her image as his model than as a true love.

Chiu Chi-Lung and Ng Kuai-Tak are two movie stunt actors in Hong Kong and are suspicious of Lung's father Chiu's mysterious behavior. Unbeknownst to them, Chiu was commissioned as a "messenger" by the Spirit World to take newly-departed souls to the other side. When Tak suffers a major accident on the movie set, Chiu keeps Tak's soul from being taken away, thereby, reviving him.

Hung is a street-wise smart aleck and Mak is his dumb sidekick. They are partners, mostly in unlawful jobs. One night, the two are spotted by Zaza in the middle of a heist. Consequently, they go to jail. Hung hates Zaza for this. In prison they are befriended by old timer Hui. The three run afoul of boss Orca and try to avoid Orca by insulting chief warden Ko. They are brought before correction officer who is none other than Zaza. Hung hates Zaza more.