A boy's pet baby Alligator is flushed down the toilet and begins a meal of dead labatory animals, but soon the alligator begins to grow into monstrous form that begins a new meal, the humans. At...

A boy's pet baby Alligator is flushed down the toilet and begins a meal of dead labatory animals, but soon the alligator begins to grow into monstrous form that begins a new meal, the humans. At first the police don't take any of the rumors of an Alligator in the sewer seriously until strange things start happening.