The town is shocked with a brutal double murder. The "Courier" hands the case to an experienced journalist - Witold Wanycz. At the same time, he learns about the mysterious suicide of two teenagers. Together with Piotr, a young journalist, they start their own investigation.

Adam Kruk, a 40 year old police officer addicted to painkillers and psychotropic drugs, returns to the town he grew up in to find the paedophile who abused his friend Slawek years ago. Once there, he is unexpectedly called to investigate a new case: the kidnapping of a powerful man's grandson, which he undertakes to help set him free from his past mistakes. As he was unable to protect Slawek, he sees this case as a second chance to protect a child and an opportunity for justice. Adam must control the darkest corners of his mind to solve the kidnapping and as the case unfolds, he discovers answers which will reveal an unexpected link between these two cases.

A historical story about a young woman, Matilda, who in the politically difficult times of the partitions after the January Uprising becomes a pawn of landed gentry intrigues. Her past, which is also a mystery to herself, is overshadowed by the political decisions of both Polish patriots and traitors plotting with the Russian invaders. In addition to its educational and historical value, the series contains rich thriller and love plots.

A bright, young officer joins General Police Headquarters to investigate one of its lead inspectors and the criminal cases he's working on.