A lockdown at NTAC threatens the lives of Tom, Diana, Meghan, Shawn, Kyle, Jordan, Isabelle, Maia, Marco, PJ and Brady when they wakeup inside the building with no recollection of how they got there.

Tess's schizophrenia gets out of control, and Shawn is asked to lend a hand. Richard Tyler tries to get his daughter back, and he has a surprise for her.

Richard and Isabelle are pursued by NTAC. Elsewhere, a test is developed that determines if people can be killed by promicin.

Malfunctioning ATMs lead agents Tom and Diana to a man who made threats against a large tech firm. The Marked make their presence known.

Marco finds a way to get the old Tom back, but it is dangerous and they don't have a very long time.