As the FBI takes over for Ava and the team, a close Koslov associate steps up. On the Strip, plans for an exchange unravel when pandemonium breaks out.
The Midnighters band together to stop an ancient succubus who seduces and devours men, and Olivia discovers an unwelcome connection to her past while carrying out a hit.
Jimmy becomes frustrated with his restrictive work environment. Kim pulls out all the stops to dig herself out of a seemingly bottomless hole at HHM.