Robyn Payne

Olivia and Peter enlist the help of Dr Walter Bishop, Peter's father, in stopping the spread of an unexplained phenomenon.

An FBI Agent is accused of selling witness locations during criminal trials, and the U.S. Marshals ask Peter and Neal for help tracking down the suspect. But when Peter uncovers the truth behind the plot, he must dive into the world of exotic cars and go on the run with his fellow agent until he can prove the man's innocence.

Frank must uncover the truth when an undercover officer accuses a fellow cop of police brutality; Danny and Baez investigate the murder of a famous photographer recently accused of assault by his former models; Erin struggles to protect a witness.

Max takes a chance on a new assistant and goes toe-to-toe with the board on a new plan; Iggy struggles to figure out what is causing a unit-wide illness; Kapoor receives some shocking news.

Russo hits the road with Vice President Matthews; Francis and Stamper try to whip up support in Congress; Claire looks out for herself.