A large blast hits the gas pipeline in the industrial park due to a sudden earthquake, which triggers massive explosions and engulfs the neighboring area in flames. Facing the escalating fire danger, the Fire and Rescue Force quickly reaches the hazardous zone to hold the fire and cut a firebreak, in the meantime, many survivors are pulled out of the rubble.

Tiezhu (Li) is a private eye recruited by the police to investigate the criminal activities surrounding action icon Yuen Bao (Chan). A long-time fan of Bao’s, the asthma patient Tiezhu can hardly believe his luck when he saves his idol’s life during a set accident. But as the two become friends and Tiezhu is brought in to reshape the sci-fi action film that Bao is working on, Bao’s sneaky manager, Tai (Danny Chan Kwok-kwan), is determined to turn his action crew into drug traffickers.

An ageing bachelor playboy finally meets the girl of his dreams and proposes marriage, only to discover her psychologist stepmom was his first love long ago. The future in-laws initially pretend not to know each other but as the wedding date gets nearer, the rekindling of long-dormant feelings develops into a cross-generational love triangle.

The chief investigator of Hong Kong’s Independent Commission Against Corruption (ICAC) is banking on a key witness, the corporate accountant Jack, to testify in court against a high-level customs officer and a tobacco trading company CEO accused of bribery and smuggling. When neither Jack nor the CEO show up on the day of the hearing, King is given seven days to save the prosecution’s case.