Brothers Grass and Cobra Snake, in their late and early thirties respectively, live in a small Czech town not far from Prague. Coming from a disfunctional family, they both feel unable to build up a life to be satisfied with. Grass, unemployed and still without a girl, does not know how to escape from the shadow of his druggie and troublemaker brother Cobra. Things seem to change for Grass when all at once he gets the opportunity to be part of a promising business and starts a relationship with the waitress of a local pub. It is just then when Cobra and his addiction show up in his life once more to put him on the verge of losing everything he achieved. But this time Grass is determined to not let anybody or anything stop his last chance in life to be happy and he decides to teach his brother a life lesson he should never forget.... A lesson that uncontrollably turns into a nightmare...