Insanity (Finnish: Vihanpidot; literally translated "The Feuding") is a 2019 Finnish found footage horror film written and directed by Miska Kajanus.

[1][2] The film tells the story of how friendships are sorely tested over a weekend spent on an enigmatic getaway trip.

The film's actors include Alina Tomnikov, Hanna Angelvuo, Karlo Haapiainen, Saara Inari and Henry Pöyhiä.

[4] A group of friends head to an island for a getaway, class reunion, and a night of partying.

During one bloody night, old scores are settled, everything is brought to the surface, and revenge is undertaken.