Alliances are shattered between Sarah and Rachel as Cosima is cut off from communication and the Neolution moves in. Later, Sarah sets a trap for a high-ranking Neolutionist in hopes of bring it down for good.moreless
With Evie Cho in charge of Neolution, Sarah finds herself in the same position as Rachel causing the archenemies to come together for the greater good. Cosima and Susan strongly disagree on the ethical implications of human experiments. When Adele further investigates Donnie’s case, she begins to suspect Felix is keeping deep secrets. Helena’s arrival forces Felix to make a difficult decision.moreless
Sarah goes back to old habits to cope with her decisions and Cosima attempts a Hail Mary back at the lab.
During a bicycle race, one of its racer dies, leaving Murdoch to believe he was killed by a mysterious stimulant.