The story follows Royal Marine A.J. Budd (Joseph Morgan) who awakens in a mysterious house. Trapped alone in an unchanging prison of unbreakable routines and fighting for his life against grotesque inhuman opponents, he mu... more »st kill every day or die himself. As days stretch into years, the isolation and unceasing violence threaten his very soul. The only note of hope lays in the journals of a former prisoner, WWI officer Lieutenant Edward Sterling (Matt Ryan), which he discovers behind a secret wall. Sterling's diaries help the young Marine stay alive in the forsaken prison. But what dark fate befell their author? The stories of the two men from different eras interweave as their desperation to escape the endless killing leads them both to take terrible measures.« less