They don't fall from the sky, travelling from far beyond the stars to explore and conquer. The skies hold secrets, but those still out there are not nearly as dangerous as the ones who have already made their way through.

Visitors focuses on the stories of those who slip through the cracks in reality, creatures from other universes do their best to blend in to avoid the Others, a special group designated to quash any attempts for them to hide among the humans. Some manage to slip their grasp, but those still have to contend with the Syndicate if they want their plans to succeed.