When the corporate executives of a theme park conjure real monsters for their Halloween "Midnight Massacre" spectacular, all hell breaks loose - literally. It's up to a jaded games employee and her friends to terminate the devil and save the park.
Once a respected and feared pillar of the super-villain community, the middle-aged veteran baddie known as Master Molecule is being swallowed up by his own professional downward spiral! Fortunately for the villain, a second chance arrives with him becoming the leader of a new team called the Frightening Five!