What do you do when your quasi-adopted stepdaughter reveals that she's never had a birthday party, and doesn't even know when her birthday is? Well, if you're Janet Van Dyne - Original Avenger, Winsome Wasp, Pym Labs C.E.O. and Fashion Designer - you throw together the best last-minute birthday party the Marvel Universe has ever seen. But what happens when Nadia's fellow Red Room graduate Bucky Barnes, A.K.A. the Winter Soldier, crashes the party?