Following a 2-year stint in jail, Kaska Czajkowska (Marie Carrour) is finally free. She has a dark past: drugs, smuggling, and organized crime. Kaska is staying at her sister's, Marta (Orina Krajewska), who is single and leads a stable life working at a corporation. The sisters have an agreement: Kaska swears to never return behind bars, Marta is meant to help her achieve this goal. However, rebuilding a life is not an easy task. Kaska must face soulless officials, old friends from the underworld, and finally - herself and her own weaknesses. Despite her best intentions, she makes dramatic mistakes.