Locky McNamara is 11 and has been flourishing since his mother, Anna, gave up the drink three years ago. When Anna's old boyfriend Mick gets out of prison on good behavior, she falls back into her old ways of daytime drinking while Locky runs wild in the streets with his mate Callo. Meanwhile, Anna's daughter, Sally, arrives home determined to tell Locky that she is really his mother, a move which sets the scene for a scabrous and vengeful series of events which have massive ramifications for all involved.