Michael Healy

A young college student in London moves into a flat and becomes best friends with a flatmate; the former moves into her own flat 4 years later but 6 years after their parting, the former returns to London to pay the latter a visit.

The true story of Stephanie Slater, a British estate agent who was kidnapped, raped, and held for ransom by Michael Sams, who imprisoned her in a coffin-like box for eight days.