As Rome and Regina continue to move forward with the adoption process, they must help Delilah with a troubled Sophie; Gary confronts Eric about his past; Eddie pursues a new career in music.
While the Division deals with a murderer who uses a poison that can't possibly exist, Agents Farnsworth and Dunham from the Other Side come to pay them a visit.
Karen comes to terms with her feelings as Alec and Vivian consider how their relationship will work. April shows her displeasure with Marc after he makes a poor judgement call. Calista looks for revenge on Luca.
Claire rounds up the children who have communicated with Drill and learns something new. Meanwhile, Wes makes a shocking discovery.
Wes insists to the president that all children with symptoms be quarantined to weaken Drill. Sean confronts a reporter who wants to expose Drill to the world.