On a shooting range outside of Stockholm in the raw September night something is not right. In the darkness of the marker the ground shows signs of blood.

Harry Friberg receives a photo assignment at Lindarängen's airport in Stockholm. The assignment turns into a nightmare when the photographer is invited to a crayfish party by the company's director.

Harry Friberg photographs a mysterious lightning in the water outside the Blockhusudden. The light turns out to flow over a murder.

In the aftermath of a daring post office robbery on Saint Lucy's Day, two Stockholm vice cops venture into a world of corruption, cover-ups and murder that takes them from the dirty streets to government officials.