Lucid Dreams is an episodic film which the director recounts four of his own dreams: Don wants to repay his debt by arranging a fake wedding; Fan, a white collar, learns to let go of his ego after struggling with love and work; a writer named Tong reunites with her long-lost mother; a driving instructor, Chung, is inspired by four 'ghost ladies' and starts to believe again in his musical talent.

After death, before reincarnation, the souls of the deceased transit through a fantastical realm known as, Another World. Gudo is a spirit that helps to guide these transient souls to their reincarnation. While guiding a young girl named Yuri, he learns that humans have emotions that he does not understand. Tasked by Goddess Mira to help Yuri control her rage and prevent her transformation into a monster, Gudo embarks on a perilous mission.

Follows an investigator as he prevents a terrorist attack during a symposium held by Hong Kong's Independent Commission Against Corruption. He later finds it has links to human trafficking in Thailand.

Liu Yue Ping reports to the ICAC about a rich 2G Cao Yuen Yuen who bribed officers of the Hong Kong Correctional Services (HKCS) from inside the prison. William Luk decides to infiltrate the prison as an inmate to conduct his investigation, while his partner Ching Tak Ming and Chief Inspector Lau Po-keung back him up from the outside.