An unsuspecting family buys a mansion for a bargain but discovers a presence in the home and must fight to save their lives.

Edward Wilson, the only witness to his father's suicide and member of the Skull and Bones Society while a student at Yale, is a morally upright young man who values honor and discretion, qualities that help him to be recruited for a career in the newly founded OSS. His dedication to his work does not come without a price though, leading him to sacrifice his ideals and eventually his family.

At 11:30pm on October 11, 1975, a ferocious troupe of young comedians and writers changed television forever. This is the story of what happened behind the scenes in the 90 minutes leading up to the first broadcast of Saturday Night Live.