Another year. Another slimy surprise! After a long semester, Will's ready to kick backuntil his girlfriend, Miki, shows up. Unfortunately, their friendly alien visitor has other plans for the summer, and Miki's ready for mating season. But this year will be more challenging, because Will is heading home. He'll have to dodge his parents, deal with his constant urges, and keep their purple companion a secret while he gets bigger and heavier than ever before!