In the spring of 1944 in Poland, near the end of WWII, Janina faces a huge change in her life when her father decides to offer a shelter to his Jewish friend’s daughter Ester. One day, her father is arrested and Janina starts to take care of Ester by herself and in doing so secret emotions rise between them.

Policemen from two precincts join forces to fight a criminal band called the "Mokotowska Group".