The Focusing Effect is a faux-documentary/horror film about three film students who make a doc about breakups, only to push one of their subjects too far.
When a couple visits a remote cabin and cross paths with a compulsive liar, their vacation takes a dramatic turn for the worse.
Nina is a mother a little bit crazy, Baptiste a son a little too wise. Angry since a long time they are found for the adventure of their lives. During a trip unlikely, funny and moving, they will catch up the lost time.
Three strangers from different backgrounds find themselves trapped inside a confined mansion and as they run low on resources they soon figure out the only way to escape is for one to kill the other two.