As Caitlin and Thunderbird struggle to save the life of a mutant injured in the Inner Circle's chaotic liberation of a psychiatric hospital, they discover clues to the identity of the powerful mutant Polaris and Andy were sent to retrieve. Meanwhile, as Jace joins up with the Purifiers to chase down the escaped mutants, he comes dangerously close to colliding once again with the Mutant Underground.
Elenco: Stephen Moyer , Amy Acker , Natalie Alyn Lind , Percy Hynes White , Sean Teale , Jamie Chung , Emma Dumont , Blair Redford , Coby Bell .