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.

One the day Horny to get married, his two pals Frank and Kai told him to avoid the trap of marriage. However his finacee forced him to sign the certificate. Kwai, Horny's other pal had a firm with his brother Fu. Fu could not manage the office and owed the Fok's family 2M and Fok's manager Robert persuaded to merge Fu's company. The three pals joined Fok's to solve the crisis...

Underworld godfather Kim, nicknamed Egg Tart, is friendly and sociable. He likes singing more than being the leader of triads. With his principle of peace, harmony and stability, he has won the support of the gang elders. Meanwhile, the cool and handsome Lung becomes a gangster because he is attracted to the cool image of gangsters portrayed in the "Young and Dangerous" movies, and he believes that he has what it takes to be the big boss. To support Lung, his wife sets a trap by trying to seduce Kim in order to obtain the secret of becoming the godfather.

Hsu, a young man whose addiction to gambling has lost him all his dead father's money, escapes the loan sharks by running away to Thailand to see a sorcerer his father knew.

Smart (Kent Cheng), a sailor, returns from sea to his family to help with the family business and raise money for repairs, also teach people about love

Chau and Beethoven, two Hong Kong police detectives, go through misadventures to protect a young girl from a ruthless crime lord, as she possesses a ledger that contains all of the gangster's activities. In the mix is a tough, no-nonsense policewoman, who falls for one of the detectives. Written by Oliver Chu

Kung and Kin's rivalry goes way back to the seventies when they fought over the same girl, who eventually became Kung's wife. Now they run competing phone stores right across from each other on Mongkok's busiest street, and stretch their minds trying to outdo each other with crazy promotions.

A group of young thrill-seeking stunt performers form a stunt team. Coming from different backgrounds and levels of education, they each approach stunt work differently. Some rely on technical knowledge and experience, while others risk their lives purely through courage. As the team gains experience, they grow both in skill and in their understanding of the dangers of their profession. Over time, personal relationships, family responsibilities, and tragedy force the members to reconsider their futures. Ultimately, the team’s best stuntman must face a final major challenge before saying farewell to the dangerous career that once defined his life.