The BAU is called in to investigate a string of deaths in Manhattan tied to apparent ecstasy overdoses, and Hotch discovers that his estranged brother is caught in the middle.
While searching for answers about the past, Melinda discovers an underworld lurking below Grandview.
When a woman's husband dies from a fall on a construction site, Nick and Pete look to prove wrongful death against the company. Meanwhile, Pete tries to help an online blogger avoid jail after exposing an illusionist's magic trick.
