After the events of Luigi and the Quest for Nothing, a mysterious figure snags the Nothing away from Luigi. I think he didn't like that. So off he went again to find this figure, along with his friend, the Green Toad. But little did both Luigi and this mysterious figure know of the importance of "The Nothing"... As you go through the worlds you will meet new unlikely allys, who will tell you about what exactly is happening in the world... or worlds... or universe?