On April 24, 1974, the brutally murdered body of Anni Nielsen Iranzo was discovered beaten and strangled in her Oslo home. She was 3 months pregnant. There was only one witness to the crime, Anni’s four-year-old daughter, Maria. Now 48 years old, Maria sets out to find the truth about who killed her mother. Jealousy, revenge, and money - a mystery stretching from Norway to Argentina to the U.S., unsolved for 43 years and buried by all… This intense true crime miniseries digs into the infamous cold case, shedding light on new leads and suspects.