Martyna and Wojciech form a seemingly happy relationship. However, it is only a façade hiding a cruel truth. Martyna's friend Alicja is a single mother of 20-year-old Daniel, who is the apple of her eye. Alicja is unable to accept that her son has his own life. One day Daniel meets Adelina. A puzzling story in which we ask ourselves not only who killed and why, but above all who died!?
The beginning of 1945, Poland. In a newly liberated country, the Communist Security Service is annihilating its enemies under the guise of punishing "national traitors." They organize a labor camp for Germans, Silesians and Poles, on the site of a former Nazi concentration camp called Zgoda / Reconciliation. Franek, who is in love with the Polish prisoner Anna, goes to work as a warder in the camp to save her. He does not know that one of the prisoners - Erwin, his German friend, also loved this girl for a long time. Franek joins the communists in the illusory hope of outsmarting the system.
Two mermaid sisters, who end up performing at a nightclub, face cruel and bloody choices when one of them falls in love with a beautiful young man.