Hannah makes a joke about the best sex she ever had, Marty sets out to find out the details after he finds out it wasn't him.

Robin and the Animal Rescue Front (ARF), a group of animal rights activists, are after Marty when he writes an article they don't agree with. Marty is after them when their pet mink bites him. This is all further complicated by the fact Catherine needs to keep fur ads in the magazine to keep their budget intact.