With news of one last sinkhole opening, Gavin, Izzy and Dr. Nathan race to Seattle to launch a final rescue effort before it's too late. Eve embarks on a perilous journey to send a young boy though a portal in order to save her family.
Motivated by a tragic event from his past, Jace throws all the power of the Sentinel Services into finding the Mutant Underground Way Station. Meanwhile, Blink’s vivid dreams lead her to confront Dreamer.
