Leo is rushed into bypass surgery after suffering a massive heart attack; as Toby and Josh scramble chaotically to get votes after Haffley demands Democratic support for a tax cut in exchange for ratification of the peace plan, it becomes quickly apparent that Jed must overcome his reluctance to name a new chief of staff; C.J. works with the State Department on getting U.N. and NATO approval of the peace accord; Charlie drags his feet about completing some minor graduation requirements because he's reluctant to keep his promise that he'll resign as Jed's body man to seek a better position once he has his degree; Donna returns to work; C.J. gets on Josh's case about his unhealthy diet.

Hours before the CAFE standards amendment is defeated, Josh succumbs to the lure of test driving a monster SUV while shopping for a Prius and gets into a fender-bender that proves embarrassing to the administration, so he's saddled with heading up a task force on alternative energy sources; after hosting a surprise graduation party for Charlie, Zoey agrees to his taking her out to a thank-you dinner; Annabeth educates Toby on the art of "charm and disarm" in handling the press; Charlie is offered an attractive way out of his employment dilemma; Kate extents a hand of friendship and support to Donna; C.J. gets some crucial insight from Leo on keeping Jed healthy; Margaret's plan to redecorate Leo's former office meets with resistance from her new boss.