Gabriel Conroy and wife Gretta attend an early January dinner with friends at the home of his spinster aunts, an evening which results in an epiphany for both of them.

Three psychopaths go on a killing spree, recreating the Black Dahlia murder.

Based on a true story, House On The Hill chronicles the outrageous 1980s murder spree of serial killer Leonard Lake, who would target, kidnap, rob and kill people -- and even whole families.