在一个与世隔绝的森林深处，Marko 在他过度保护的父亲的监视下与世隔绝，他决心保护他年幼的儿子免受邪恶的伤害。深深的孤独，对外面的世界越来越好奇，Marko 渴望揭开森林之外生命的秘密，并开始离家更远的冒险。但是，在一个残酷的事件发生后赠款他的愿望比他想象的要快，Marko 被迫逃离并开始了一段充满未知危险的严峻旅程，并瞥见了一个永远改变的世界。

Three Days in September is a psychological thriller that deals with the implications of domestic and sexual violence. Jana and Marika meet on a train and quickly become friends. They go to the countryside, a remote mountain area that holds a lot of secrets about Jana's past. The time moves slowly and anxiously, and the doubts as to their true intentions grow stronger. One by one, the secrets unravel. Marika is a murderer on the run, while Jana is on a mission to exact revenge. There is no way out, except helping each another to get what they really want.