Beneath the Darkness (2012) on Netflix

After watching their best friend get murdered, a group of teens struggle to expose a local hero as the vicious killer and keep from becoming his next victims.

In Smithville, Texas, the teenagers Brian, Abby, Travis and Danny are classmates of the Smithville High School and best friends. One day, they are reading Macbeth for a class and they decide to investigate the rumors that the house of the mortician Ely Vaughn is haunted by ghosts. They see shadows in the upper window and they break in the house to see what is happening and they see a corpse lying on the bed; however, they are surprised by Ely that kills Danny, pushing him to fall off the staircase. Nobody believes in the teenagers since Ely is a respectable citizen, but Travis and Abby decide to prove that the undertaker is a psychopath. Will they be successful in their intent?

—Claudio Carvalho, Rio de Janeiro, Brazil