Among the guests is his former college roommate Pete (David Nicolle), Pete's former girlfriend Laura (Amelia Warner), her best friend Emma (Rosie Fellner), Emma's former roommate Lucy (Vivienne Harvey), Lucy's New York socialite friend Jo (Paris Hilton), Jo's Manchester boyfriend Tom (Lex Shrapnel), and fellow college friends Damien (James Schlesinger) and Andy (Ben Peyton).

When Lucy is stabbed and severely wounded by the possessed Tim, the five survivors hole themselves up in the parlor where they try to make sense to what is going on.

Pete also realizes as the lone Scot of the group, he was the only one Murray ever intended to spare, albeit alone and emotionally scarred.

The website noted that her character was, basically, herself: "Hilton plays—what else?—a spoiled American socialite who shops on three continents in one day.

The script is even clever enough to take a few jabs at Hilton's real-life social standing, even mentioning that she's been on the cover of a few sleaze rags in her day".