Anna's house was always full: a caring and well-off husband, obedient children. The only problem was her seriously ill sister. After a course of treatment, the girl was supposed to get better, but she suddenly died precisely because of the medication that was supposed to bring hope for recovery. Anna decides to punish those responsible for her sister's death and takes them to court. The murderous pharmacist is arrested and dies in prison. His wife, Natalia, loses her long-awaited firstborn. From that moment on, she decides to seek revenge on those responsible for her husband and child's death. How will this decision affect Anna's family? And what will it bring for the avenger herself?