Watch The Exorcism of Hannah Stevenson Full Movie Free Online 123Movies. Hannah and Matt, a young couple on their first holiday together, quickly discover that they may not see eye-to-eye. Feeling as though she let her boyfriend down, Hannah enlists the help of a mysterious gypsy woman, in the hope that the couple's troubles can be overcome. However, when Matt wakes to find his girlfriend has disappeared, the gypsy woman's sinister intentions become all too clear.