Armed with recently declassified FBI documents, experts join forces to investigate the life, death and renowned work of inventor Nikola Tesla. The team investigates his mysterious death, thought to be linked to his invention of the first weapon of mass destruction. The team constructs their own death ray.
Aron and his team are hard at work on their reconstruction of Tesla's "Death Ray." Meanwhile, Jack and Cameron travel to Colorado Springs to search for the former site of Tesla's experimental laboratory, in hopes of finding more clues about the weapon.
Following Aron's successful test of his Death Ray, proving the revolutionary weapon could be real, Jack shifts his focus to Nikola Tesla's potential murder. The first suspect sends Jack and Cameron overseas to Serbia to look for clues.
The investigation of Tesla's suspicious death and missing documents continues. The team travels to Serbia, Tesla's homeland, and discovers never before seen documents drawn by Tesla himself. The Death Ray build moves ahead.
As the team investigates Nikola Tesla's suspicious death, they pursue leads to the CIA and FBI in search of his missing notes. Meanwhile, the construction of the Death Ray prototype is complete and ready to fire, which will help determine if the weapon was a legitimate motive for Tesla's murder.