Five strangers become an elite team of secret operatives when time travelers take over their conscious minds, to try to correct the terrible problems that face humanity in their own time.

The team's first mission goes awry when a fatal mistake leaves them holding a ticking time bomb.

MacLaren’s leadership is challenged when he’s directed to assist a more experienced team of travelers that wants to join forces.

The team tackles their primary mission: stop a cataclysmic event that could change the course of human history.

The team struggles to live 21st century lives as they’re faced with the prospect that their missions might be over for good.

Grant MacLaren and his team find themselves in FBI custody with no means of escape, while a mysterious new traveler reveals secrets to his psychiatrist.