Rose's childhood love reappears and vies with Miles for her attention.
After Debra complains about Ray's clothes, Ray tells her a lie that the women of the PTA are saying she dresses like a tramp.
Holmes and Watson try to work a stateside investigation from London, when someone close to them is gravely wounded by an unknown perpetrator in the US.
Laurel continues her investigation of Dr Daudier's death, while more citizens are infected by the bugs. Dr Daudier's daughter and Gustav Triplette begin to question what is happening.