On Halloween Eve, Britt and the kids she is babysitting have to survive the horror of serial killer Abner Honeywell, who is himself the traumatized son of B-movie horror legend "Natty Knocks".

Parapsychologist Elise Rainier and her team travel to Five Keys, NM, to investigate a man’s claim of a haunting. Terror soon strikes when Rainier realizes that the house he lives in was her family’s old home.

A decade after their wild summer as junior counselors, the gang reunites for a weekend of bonding, hanky-panky and hair-raising adventures.

Agent Phil Coulson of S.H.I.E.L.D. (Strategic Homeland Intervention, Enforcement and Logistics Division) puts together a team of agents to investigate the new, the strange and the unknown around the globe, protecting the ordinary from the extraordinary.