In 1970s Hong Kong, the Independent Commission Against Corruption (ICAC) was formed to bring down the corruption syndicate led by British government officials. One of its top investigators is Senior Investigator Lau Kai-Yuen, who brought down countless corrupted officials. Just as he thought stability and prosperity are within reach, a new era of greed and riches takes him into a new battlefield of corruption.

Hong Kong Customs and Excise Department officers Chow Ching Lai and Cheung Wan Nam share a close mentor-student relationship. On a case involving seized smuggled arms, Chow is sent to take part in a joint operation with Interpol to capture a reclusive arms dealer. However, Cheung makes a drastic decision that further complicates the case.

A chief inspector in the anti-narcotics unit holds true to his beliefs as a police officer. He puts everything on the line to crack down on drugs and to bring drug traffickers to justice. How will our hero resolve this "bursting point" crisis?

While same sex marriage is broadly celebrated in Europe and North America, Hong Kong reminded as a metropolis where such basic social security is missing for the queer communities. Dedicated to the Hong Kong queer icon, Ellen Loo, who committed suicide in 2018, and starting from the moment where Ricky come out to his family, Forever 17 explore an imaginable future for the queer community, through love and acceptance, betrayal and forgiveness, pain and recovery, death and survival, inheritance and eternity, and honouring a life long commitments.