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.

A team member buckles under the guilt of not being allowed to prevent future deaths and puts the travelers in jeopardy.

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

MacLaren is on his own as he fights to unravel the mystery of his team’s sudden disappearance.

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

MacLaren has to find a lone bomber who kills a newly arrived group of travelers.

Teetering on the brink of death, MacLaren slips in and out of his host's memories.

The team is torn apart when they discover the Director has a hidden agenda.

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.

Philip makes an unexpected connection, Marcy helps David cope with his trauma, and MacLaren discovers a shocking truth that Kathryn has been hiding from him.

After tracking down a missing traveler, the team is led to some disturbing answers about their kidnapping.

A deadly disease is spreading around the world, and the travelers must get to the bottom of where it came from and how to stop it before it's too late.

With the unknown virus rapidly spreading, the team is left with only one option in order to save The Director hundreds of years in the future.