The super-amazing superhero of the galaxy, Captain Qwark, was last seen on the Planet Rilgar, and Clank's been dying to see him for quite a while. Ratchet obviously accompanies his robotic buddy, shooting through any fools that get in their way, as usual. Of course, there are new obstacles here that will require use of Ratchet's recently acquired Hydrodisplacer, as well as great haste during a certain dangerous portion of the trip. There's also a murderous mutant fish swimming around the planet's waters, but I'd rather not talk about that......