Jon Haynes, former Navy SEAL, and Claire Keen, fresh-out-of-college network engineer, are brought together by something more intentional than fate. Quickly they find themselves and their nascent relationship thrust into a closely guarded time travel program run by the secretive Casimir Institute that seeks to affect the outcome of an uncertain future. Their first trip through time ends up much more than a training event, testing their mettle as individuals and the strength of their new love. It will also leave them uncertain if they chose the right side in the struggle for the future.