Signed, Sealed, Delivered: Temporada 2014, Episódio 8

2014 - 8: Dark of Night

the Postables follow clues to deliver not only a letter, but an unspeakable truth that has been buried for years. With special approval from visiting supervisor Rebecca Starkwell (guest star Valerie Bertinelli), the team's investigation leads them to stunning revelation that quickly becomes a matter of life or death