 One of two young boys accidentally falls to his death when playing in a bombed-out London neighborhood. Frankie, the survivor feels guilty about his friend s death. Len, a petty thief who has just killed a pub owner during a botched robbery, learns of the accident. He poses as Frankie s friend and blackmails the boy into stealing from his parents to finance Len s escape. When Len decides that Frankie may know enough to connect him with the murder, he decides to silence the boy in a tense "hide and seek" chase through the ruins.