The whole gang heads to Cleveland for Punchy's wedding where the crowd eagerly anticipates Ted's emotional toast. Lily tries to keep her pregnancy a secret and Robin wonders if she's really done with Barney.

Barney and Ted battle to push the button to blow up the Arcadian; Barney and Robin battle against Ted reuniting with Zoey; Marshall battles against and anticipated stomach poisoning and we get some good dramatic news at the end.