Molly tries creating a virus to destroy alien hybrids and discovers that aliens are trying to communicate with humans through a hidden message in their DNA. Elsewhere, Lucy helps Ethan run away from Charlie to help him recover memories of Molly.

Cast: Halle Berry, Pierce Gagnon, Grace Gummer, Jeffrey Dean Morgan, David Morrissey, Tyler Hilton, Kiersey Clemons, Necar Zadegan, Lyndon Smith, Michael Gladis, Adam Zastrow, Jose Abril, Mary Gallagher, Jennifer Say Gan, Chris Johnen