Avery Malone, a wannabe writer and lonely librarian, gets her big break when she's hand-selected to assist her hero, reclusive author, Caleb Conrad. Whisked away to Caleb's remote estate, Avery is given her one and only task; to participate in a controlled psychological experiment in fear that will serve as the basis for Caleb's next novel.

Sebastien is a psychological horror story about dark secrets destroying people and their families from the inside out.