Lief is a Viking in the land of Narvay, where the throne has been usurped by the greedy ogre Smoth. Smoth has imprisoned Queen Dana in Castle Osk. He has hired two large goblins as personal guards. Lief must buy the Black Key to unlock the gate to the throne room, slay Smoth and free Queen Dana from the jail. To obtain wealth to BUY the Black Key Lief must raid the countryside for treasures and store them in his longhouse while defending himself against fierce monsters.