Patricia Place

Katherine is unable to keep some of her secrets; Susan's young, attractive cousin reveals more than expected; a surprise wedding ceremony has its share of secrets.

Barney ruins Marshall's bachelor party plans, prompting Marshall to rethink his selection of a best man.

Lois runs away from home after her husband forgets her birthday and the boys buy candy instead of a gift.

Luke, wanting to get to know his newly discovered daughter, goes to talk with the girl's mother (Sherilyn Fenn); Lorelei finds her dress and sets a date but has a feeling that something is about to go wrong.

Hal and the boys offer to watch the baby so exhausted Lois can get some sleep; Hal travels to the Lucky Aid to get diapers, leaving the boys in charge.