Leslie is determined to put on the concert in the park, even without her headliner, but Ben saves the day by personally paying the guy to come after all. Someone has a crush! Ann and Chris (Rob Lowe) have chemistry too, but she’s not sure she is ready for a new relationship. Oh, and Mark is leaving Pawnee government, and, thus, the show. Not a bad thing if you ask us. Tom is now dating bartender Lucy, and is all too happy to overshare about it. His excitement is tempered slightly by the final revelation of the episode: Ron is dressed like Tiger Woods on a Sunday, which means he had sex. With Wendy, Tom’s ex.