A relentless, high-stakes action thriller, set entirely within a single prison cell. On the eve of his release, violent criminal Joe receives a call that shatters his world: his ex-wife and son have been kidnapped, and unless he follows the caller’s demands, they will die. Armed only with a mobile phone, Joe must race against time to save his family and himself. Ruthless prison officers only add to Joe’s woes in a razor-sharp, gripping descent into suspenseful chaos with intense emotional stakes where every second counts and freedom comes at a deadly price.