The Karlsson Brothers is a "confusion" comedy about two identical-twin brothers, each initially unaware of the other's existence. One brother is a successful, perfectionist lawyer living in Stockholm. The other brother lives in the North of Sweden with a wife and children, and is a notoriously unfaithful ne'er-do-well. The brothers meet for the first time as they go through their deceased mother's estate. Their meeting leads to a series of challenging mix-ups, turning both their lives on end. The brothers' differences prove gradually to be a source of strength, and their newfound friendship will change their lives forever.

When a group of escaped convicts come across and old looking inn they decide to hide out there. But the guests at this inn get a new kind of room service when a mysterious potion summons a demon and causes a bloodthirsty zombies to rise from their graves in search of live prey.

A paparazzi photographer gets brutally murdered in Stockholm. His apartment is searched and the computer together with photo equipment is missing.

Three students murdered at century-old boarding school. Killer drowned himself; body never found. On 100th anniversary of killings, student researching incident vanishes, along with others, as dark presence haunts school.