Set in Szczecin, Poland, the series begins after the body of a young woman is discovered under the melting ice. It asks ‘Who was she? Why did she die? Who did she leave behind?

In a monastery cut off from the world, the monks run a clinic for the possessed. One day, a young policeman Marek comes to the convent. Posing as a clergyman, he penetrates monastic life and tries to explain the recent, mysterious disappearance of several tormented inmates. It turns out, however, that there is no way out of the monastery.

On 3 April 2004, during the holiday of Ashura, Iraqi rebels loyal to Shiite leader Muktada As-Sadr, launched an insurgency in the Polish zone. The Poles, together with Bulgarian soldiers and Iraqi police, were given the task of defending City Hall, led by Lieutenant colonel Grzegorz Kaliciak. The clash developed into the biggest Polish engagement since World War II. Not a single allied soldier died, although about 80 insurgents were killed in a counter-attack.