Ted recounts a story about leaving a note for Victoria's ex-fiance (Thomas Lennon) in hope of calming Robin, who is anxious on her and Barney's wedding day.
Ted's kids hear the end of the story of how he met their mother.
Charlie discovers that Chelsea has not been completely honest about her finances.
A store clerk makes an assumption that leaves Frankie feeling humiliated; Sue falls for one of Axl's friends; Brick tests urban legends.