The Lake

What if madness was contagious ? In a peaceful mountain town near a lake, the lives of people will gradually switch to terror, following the appearance of tragic and unexplained events. Emerged from nowhere, without any harbinger, insanity seems to seize indiscriminately the local population. What does cause this extreme and sudden disruption of the inhabitants behavior ? And how does this threat spread ? Very quickly, it becomes clear that nobody is safe anywhere anymore.