After María Marta is found dead at home, her family theorizes she had an accident until an autopsy proves otherwise.
Investigators speculate that María Marta may have been killed during a home burglary or after discovering that the charities she worked for were engaged in shady activities.
María Marta's husband is put on trial, during which conflicting witness testimonies, DNA test results and forensic evidence both absolve and incriminate him.
Although other family members and neighbors are suspected, the mystery of the murder continues to this day.