Boo

Boo is a movie starring Trish Coren, Rachel Harland, and Jilon VanOver. A handful of college students get trapped in a haunted hospital on Halloween.
The friends Emmett, Freddy, Marie, Kevin and his reluctant girlfriend Jessie decide to spend the Halloween night in an abandoned hospital. Meanwhile, the younger Allan meets the old friend of his father Arlo Ray Baines and asks him to help to find his vanished sister Meg in the same spot. The two groups meet each other in the mental institution section on the haunted third floor.