The Secret of the Abandoned Lighthouse

A group of friends decides to spend a weekend on a remote island where there is an abandoned lighthouse. At night, they start hearing voices and seeing lights in the lighthouse, which is supposedly deactivated for decades. As they explore the lighthouse, they discover that it holds a dark secret related to a cult that performed rituals there to summon something ancient and powerful. Now, they must fight to survive against the awakened forces before they are sacrificed.