When Erica and Geoff plan a joint bachelor/bachelorette party at the beach, Barry finds himself face-to-face with his ex-girlfriends and their current boyfriends - causing him to spiral in his attempt to stand out during the festivities. Meanwhile, Adam decides to intervene when Lou takes over planning the wedding video, ultimately bringing the families together. 

Barry and his friends try to reclaim their youth by forming a boy band, but they quickly learn they aren't kids anymore. Meanwhile, Adam has the keys to Erica's downtown apartment but realizes he's not cut out for city life.