Erica works with new allies to uncover a biological threat they suspect the Visitors have been plotting. Aboard the mothership, Anna meets with a special guest, while managing the investigation into the murder of a V. Chad does a segment on the V Healing Centers demonstrating their amazing medical abilities, but finds himself conflicted by some of his findings.

Erica finds her life in danger when she's attacked at home. A dangerous new member is recruited for the Resistance as the Visitors shore up their defenses. Anna wonders why Chad hasn't followed up on his diagnosed aneurysm and Ryan's concern grows over Val's "abnormal" pregnancy.