Sergeant William Joseph B.J. Blazkowicz, along with a team of OSA Rangers, are dispatched to Castle Wolfenstein but end up being captured in the middle of the operation by the SS Special Weapons and Paranormal Division. B.J. escapes only to discover vast Nazi activity concerning weapons development, drug creation and unholy rituals. He then has to make his way out of the Nazi Tower to Castle Wolfenstein and sabotage SS Special Weapons and Paranormal Division's plans.