After the Empress is killed, her most loyal bodyguard, Lord Protector Corvo Attano, becomes the prime suspect, and must track down those who murdered his charge and betrayed him in order to enact his bloody revenge. Play-your-way game play that governs the path you take with every move you make. Join a group of rebels known as the "Loyalists" as they aide you on your quest to seize back the throne. On your journey you will encounter a mysterious entity known as the "Outsider", who gives you a special mark. Fight and survive the plague savaged world as you enhance your gear and obtain supernatural abilities to guide your way to victory. The fate of the Empire is now in your hands. God speed, Corvo.