A few years after the incident in Gremlins, Billy and Kate have movied to New York where they work for media mogul Daniel Clamp. Meanwhile, Gizmos former owner has just died and hes been captured for the genetics part of the Clamp building. A little while later, a certain someone gets wet, creates a new Gremlin species, and learns to finally fight back after years of abuse. And while Gizmo and the surviving humans fight back, the Gremlins and their evil leader, the Brain Gremlin, are planning to escape when it gets dark. And if they do, New York will experience a new Hell.

Amazing city robots Mashinarium, live hard life of a giant mechanism. Each resident has his own worries, and nobody cares little robot, which hooligans dismantled for parts and thrown to the city dump. So begins an exciting journey Mashinariumu, where the little robot to find the offenders and teach them properly.