Alien Alert!!! An influencer couple staged a harmless prank in pursuit of clicks and likes. Little do they know, their little escapade has gone out of control and spiraled into a real tragedy. A series of accidents, followed by blackmails and Extraterrestrial Encounters somehow echo and unveil the myth of a myterious child disappearnace 25 years ago! A group of five, a chain of bizzare events, layers of schemes and plot twists. It's all-you-can-experience in One Crazy Night!

When a human head is discovered, the paths of a female student, a cellist, an autistic teenager, a police officer, a prostitute, a teacher and a dog are found to be serendipitously entwined. Who caused the death? What is the motive? Where is the body? Attempts to answer these questions lead to keywords starting with the letter "G". As the case is peeled back layer by layer, the complexity and desperation of the people living in Hong Kong today are slowly uncovered, and a suspenseful multifarious Hong Kong story is revealed.