The entire episode revolves around Barney receiving a slap from Marshall. Marshall cooks up a long-winded story, and the entire gang goes along with it to scare Barney.
Don clashes with a client. Pete entertains a guest. Peggy struggles to motivate the staff.
Hank goes back to investigate a closed case he handled of a murderer sentenced for execution who claimed that he acted in self-defense when a monster attacked him. Meanwhile, Monroe has an unusual situation come up at the spice shop.moreless
Jane the CBI team are trying to find the killer of a bank employee, who was murdered during a heist. Lisbon is pulled deeper into the rivalry between the CBI and the FBI.moreless
Jared and Peter run into two lawyers defending one of infled ex–wives. Jared and Peter notice a lot of themselves in the two lawyers against whom they must prove that the ex-wife didn't kidnap a dog.
Karp must work with Pindar on a robbery case, but it may not be solved because the partnership could be broken due to Pindar's odd quirks.moreless
It's Kate and Ben versus Justin and District Attorney Davidson when a surprise witness surfaces in a mediation case.