With a trailer leak yesterday, and Cannes kicking off next week, a new sales poster has been released for Markus Welter’s 3D horror slasher film One Way Trip, which focuses on a group of young people falling into the murderous clutches of a madman as they search for hallucinogenic mushrooms in Switzerland’s Jura Mountains.

Described by the producers as “an intelligent slasher film with gothic elements and an unexpected ending,” you’ll lose your head over the new one sheet posted inside.

The cast is headlined by Sabrina Reiter (star of both Dead in 3 Days films), Melanie Winiger, Herbert Leiser, and Martin Loos.
“Eight young people drive to the Swiss Jura region, food and tents in the trunk. It’s autumn and high season for a magic mushroom that grows there – the reason for their trip. After a few problems they arrive at the desired location deep in the woods, the tents are set up, the mushrooms are collected and when it gets dark the party starts. Everything is fine until one of the youths wants to get beer and comes back with a blood-covered and smashed face. They don’t know what happened but need to find help. As they discover that their car has a flat tire and their phones don’t work, they seek shelter in a nearby farmhouse. But that’s just where they were supposed to go. In a nerve-racking countdown one after another gets killed by their dangerous haunters…”