You are a knight of the Spiral Knights order. You and the rest of the knights of this order have crashed onto the planet named Cradle. The planet is completely mechanized and dungeons as they are typically referred to in MMORPGs are called Clockworks. You environment is is a ever shifting machine so it will take skills as well as logical thinking to overcome the perils that you will face on this planet. When you are not exploring you can trade your gear and weapons with other players to make some extra cash and further your knights development.