Inside lies Invention Vault, a secret repository containing thousands of American inventions rejected, confiscated, or classified because they were considered too dangerous.
Engineer Logan Price and historian Hannah Lewis enter the vault expecting forgotten prototypes.
Instead, they discover technologies that could revolutionize modern civilization.
A battery that could power a city for decades.
A medical device capable of repairing damaged organs.
A machine that can recycle almost any material.
A propulsion system designed decades before modern spaceflight.
But the vault has one rule:
Nothing leaves.
The deeper Logan and Hannah go, the more they realize the vault's creators were not trying to hide inventions from the government.
They were protecting humanity from itself.
When the vault's automated defense system begins shutting down the facility, they must decide which inventions deserve to survive.