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.

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.

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.

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

MacLaren is kept on a tight leash after the Director orders an assassination.

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

Trevor defies the Director while the team contends with Marcy’s inevitable death.

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