2. The Search

The search for ARA San Juan becomes an international operation. Argentina's government faces criticism from victims' families as secrets come to light.

3. First Truth

As the families grieve the loss of 44 crew members, questions arise as to the reliability of the ARA San Juan... and its captain.

4. Swept Under the Rug

The cause of the ARA San Juan's implosion divides the government and the investigators. Rumors of the submarine being attacked before its demise spread.

5. Not an Accident

Theories circulate over the cause of the submarine's implosion. Confidential documents spark the possibility of an external attack by an old enemy.

6. Murky Waters

Tensions between the families of the missing crew and the Argentine government rise after accusations of illegal spying.

7. Last Chance

A year after the submarine's disappearance, remnants of the craft are found in the Atlantic. But suspicions swirl about the timing of its discovery.

8. Black Box

Discovery of the submarine's wreckage brings relief to grieving families — and distrust in the Argentine government over the timing of its detection.