Signed, Sealed, Delivered: Home Again

Newly engaged Norman and Rita's romance hits a bump when they receive a visit from Rita's hippie parents, Bilbo and Summer of '69 (shortened to Sunrise or Sunny) Haywith, Bill who does not see in Norman the son-in-law he envisioned. Fellow former hippie Joe may be able to provide some sort of bridge. What the upper generation ends up working on is renovating a newly found abandoned room in the DLO's new office, that room water damaged. Also water damaged in that room is a long lost box of undelivered mail from 1999 all destined for the zip code 82474, one package containing what looks to be an antique porcelain vase. With no addressee on the package anymore, the team is now obligated to return the case to, in this case, the senders only known as Peggy, Mary Lou, and Bunny who lived in some rural county. Finding a letter inside the vase, they discover that the three girls, adolescents, were trying to sell the potentially valuable vase to an antique dealer, "sir", they needing the money to save their family dairy farm, the vase having been in their family since WWII when it was gifted to their great-grandmother Betty as a wedding present. The team has to find out what happened to the three girls in light of this potential tragedy with their farm and who sounded like at the time their seriously ailing mother. For the investigation, the team is largely down one member in that member being seconded for a top secret special assignment external to the post office.