When teenage boy Karol Kremer becomes an eyewitness of a brutal murder, he is not aware of how much influence that event will exert on his future.

Karol, an ordinary young man, runs into a much older man, whom he believes to be the so-called Red Spider, the terrifying serial killer prowling the streets of Kraków in the 1960s. Karol becomes obsessed with the man and spies on him. In the meantime he meets Danka, a slightly older photographer, working for the local newspaper. Tempted by love, fascinated by death, Karol will soon have to make the most important choice of his life.—MD4

Karol, an ordinary young man, runs into a much older man, whom he believes to be a Red Spider, the terrifying serial killer, prowling the streets of Cracow in 1960s. Karol becomes obsessed with the man and spies on him. Meanwhile he meets Danka - a slightly older photographer, working for the local newspaper. Tempted by love, fascinated by death, Karol will soon have to make the most important choice of his life.