I've had it with lies.

I'm going to come clean about what happened in Maggie's house.

When Ranks and Danno egg on their friend HC to carry out a terrifying teenage right of passage in a delapidated house proportedly haunted by its former owners they stumble on the dead body of a local vagrant. Instead of reporting their gruesome find they enter into a morbid pact to keep it a secret so that they can watch how it decomposes. This will draw the restless spirits of Maggie and her husband to the boys, allowing them to exert their malevolent influence over their actions in order to expose a heinous crime long concealed and forgotten.