When Sammy the Nyan Cat sees his friend, Alex, being sucked into a vortex of swirling colours, Sammy follows him to find a world of chaos and mayhem. With his only companions, being wildly weird creatures, Sammy must discover his inner self and expose his powers in order to save this foreign world. Will he return to his own world, as a hero, or will his life revolve around an unfamilliar world for eternity?