Frank's blind date is way out of his league. However when she contracts a mysterious virus, it looks like his luck may be in. That is, until she turns into a homicidal maniac.

Sheltering beneath the streets of London, the company of a West End play find themselves isolated from their loved ones when a nearby terrorist attack cuts short their final night performance. Minds racing over past anxieties from the run, they contemplate life-and-death decisions within the claustrophobic confines of the theatre basement.

An obsessive serial killer's world turns awry when a victim's tormented husband lands on his doorstep.