![Vou Viver de HQ](https://image.tmdb.org/t/p/w185/8ZXw14c2ZTazJoTEQKB7VkQfPSH.jpg)
Journalist Susan Zalkind investigates the triple murder that took her friend’s life, the national tragedy that shook her city, and the haunting question that connects the two events: if the murders had been solved, could the Boston Marathon bombing could have been prevented?