When a mysterious dark figure shows up in Hoogezand-Sappemeer, Fayza, Kim and Stijn start investigating and are confronted with the ancient saga about Sappe and his pact with the devil.

Sappe is a suspenseful film that takes place in a small Dutch city called Hoogezand-Sappemeer. During one of their adventurous undertakings Stijn, Kim and Fayza encounter a dark figure. With help from the local vicar and a mysterious hermit they start investigating and discover the truth behind an ancient saga about Sappe and his pact with the devil.