Portia is a young Belfast poet. Together with her fiance Myles, an aspiring novelist, she accepts an invitation to stay at an old manor house in rural Ireland. Their host is Brinsley, an eccentric but learned individual. Myles embarks on his first novel, a reworking of Poe's "Fall of the House of Usher." But his laptop goes missing in sinister circumstances. Portia finds a replacement in Belfast and buys it at a bargain price. They discover that its...