Music journalist Andrew Deeley lives in a high-rise tower block, cut off from the world, psychologically scarred after a vicious street attack. He spends his evenings watching his neighbors and becomes infatuated with Kem, a beautiful young Chinese woman. When Amy, a married woman he meets online, witnesses Kem’s kidnapping, Deeley tries and fails to get the police involved. He is left with no choice but to try and find Kem himself, fighting his own anxieties as he strives to find someone whom the world is happy to forget. Armed with only an Oyster card and a hammer, Deeley spirals into the heart of the Chinese Triad underworld. Hoping for a fresh start with the elusive Amy, Deely puts his life on the line as he fights to save Kem.