When Earth is attacked by the hung hounds, ravenous trans-dimensional mutts with huge penises, it’s left to coolheaded Humphrey (who has no idea what’s going on), the super-sexy and feisty Dawn (who does), a retired porno actor, and a monkey in a wedding dress to save the planet.

Only thing is...

Glinda, the mermaid queen who has the key to unlock the mystery isn’t letting go of it, unless...