High Quality Content by WIKIPEDIA articles! Session 9 is a 2001 American psychological horror film directed by Brad Anderson. It stars David Caruso, Peter Mullan, Stephen Gevedon, Paul Guilfoyle, Josh Lucas, and Brendan Sexton III. The plot focuses on the growing tension within an asbestos removal crew working at an abandoned mental asylum, which is paralleled by the gradual revelation of a former patient`s disturbed past through recorded audio tape of the patient`s hypnotherapy sessions. The film takes place in and around the Danvers State Mental Hospital in Danvers, Massachusetts. The massive building in Danvers, which was part of the National Register of Historic Places, was partially demolished in 2006.