Joanna Warczewska, daughter of an eminent writer, is at the peak of her life. Her thriving political career and family happiness are instantly destroyed by a terrorist attack in which her beloved husband is killed. When fate gives her a new chance in life, another blow hits her. Someone sends her photos and documents undermining her family ties and suggesting that her mother has collaborated with the Security Service in the past. Joanna decides to conduct a historical investigation on her own and unravel the mystery that casts a shadow on her family. What she discovers not only makes her look at her mother in a completely different way, but will also make her find her own identity. Joanna will be forced to face the blackmailer herself and make a choice that will change her life forever.