The Mad Hatter (R)

synopsis

Henry and three classmates join their professor for a weekend psychology study at the ‘Mad Hatter' mansion, supposedly haunted by those who died at a lavish party in the 1880s. Henry is hopeful that the study will cure him of his horrific nightmares about the drowning of his sister but as the weekend progresses, the students begin to question their own sanity as one by one, they disappear.