A group of medical students and their partners are asked to spend a weekend at an abandoned orphanage near Los Angeles, as one of them hopes to renovate the building. The place has a dark history, and soon people begin to perish. “Evil Laugh” (1986), directed by Dominick Brascia—who previously appeared in “Friday the 13th V: A New Beginning”—is an unremarkable slasher film. This marked his directorial debut, compl…