Born mute, Alice has never known a normal life. Kept from the outside world by her cruel mother and overbearing father, her only friend is her neighbour Hailey with whom she communicates through sign language. When Alice's father is diagnosed with terminal cancer, Alice listens to his feverish drug-induced ramblings. And then, in his final days, he reveals something Alice never expected. He confesses to murdering several women. Shocked and disbelieving, Alice confides in Hailey. Together, they vow to find the truth and decide to journey her father's old routes as a travelling salesman. A pattern begins to emerge, connecting him to various missing women, before the pair discovers the real reason why Alice lost her ability to speak. And how she is at the centre of her father's crimes...