Recuperating from the traumatic and alarming meeting with Massive Dynamic founder William Bell, Agent Dunham consumes a powerful "fringe" concoction that Dr. Bishop prescribes to stimulate her memory. Meanwhile, the Fringe Division investigates a series of robbery cases that are tied to shape-shifting. As clues are tracked and memories are jogged, another woman experimented on by Dr. Bishop is introduced and a flashback reveals more about Olivia's visit to the alternate reality.
A disconcerting kidnapping rapidly escalates into a hostage situation in New York, as the Fringe Division discovers a mysterious force with mind-blowing consequences.
Freya and Frederick celebrate a milestone birthday. Tarkoff puts pressure on Frederick to get things done while Ingrid and Dash grow closer. Tommy gets a surprise from Wendy as Joanna faces one of her worst fears.
Tarkoff, an old friend of the family’s, pays a visit to Joanna and Freddie. Wendy, Freya, Ingrid and Dash attend an art gala where Wendy encounters someone from her past. Killian has doubts about his feelings for Eva.
Freya confronts Killian. Wendy and Tommy's relationship proves dangerous. Joanna takes action to protect her family.
