Meet Karl, a much-loved and highly respected mailman. When he finds out that he has been part of an intrigue for decades, he is determined to redeem his honor by overthrowing the spying government. In order to do so, he has to start his revolt deceitfully - still pretending to be the law abiding, diligent postman while fighting his way through the bandit-ridden countries. Gritty gunfights, complicated tasks and dubious acquaintances will all be part of his journey to the government headquarters.