This document provides background information and context for the horror film "Entrada". It summarizes the prologue scene where Charlie Foster is seen whispering and rocking back and forth in a trance-like state while a white mask appears on his wall. The next day, his mother throws the mask in the trash but Charlie retrieves it, disappearing into the forest. It then introduces the main characters Cole, Danny, and Timmy who are on a Duke of Edinburgh expedition that goes awry when they become lost in the woods near Beachwood forest and encounter a mysterious figure with a white mask.