While helping to pack up Loretta's house, the home Barney and James grew up in, they uncover information about James' real father. Robin over, then undersells a blind date for Ted.
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.