Amy Kellen has a new job as a sign language interpreter for All Hands Video Relay Service, enabling routine telephone calls between deaf and hearing customers. But when a political strategist dies during a video call, Amy is caught between her code of silence and the high stakes world of presidential politics. Forbidden by law from revealing what she saw, Amy resolves to investigate the incident herself. She soon discovers she was not an observer, but rather the unwitting trigger for a political assassination. But can she save her code of silence, her daughter, and herself when the assassins come for her?