In the two-hour backdoor pilot, we meet a group of postal detectives whose mission is to deliver letters and packages from the past, which arrive miraculously when they are needed most.
The Postables work overtime to help a struggling family find hope on Christmas Eve, and in turn, the Postables are changed forever.
Holly surprises Oliver to explore the fate of their marriage. On the same day Oliver's estranged wife reappears, the Postables deliver divorce papers to another couple grappling with the true meaning of love and marriage.
The Postables are on a mission to deliver a soldier's letter from Afghanistan to a teenager who's being relentlessly bullied, while Oliver's estranged father surprises him with news that shakes him to his core.
The Postables find themselves on the case of Randilynn Amidon, a U.S. soldier being held captive in Afghanistan, who aids a truck driver by delivering his daughter's child. The driver, Asad, helps to deliver an envelope for Randilynn. The envelope is received and being held as classified by government officials. The Postables – Oliver, Rita, Norman and Shane – are all in attendance at an emergency Senate committee hearing, declaring they have information regarding the letter and could help in Randilynn's rescue. It is now up to the Postables to decode the cryptic clues in the letter. They soon discover that the clues refer to personal stories, Bible verses, and patriotic song lyrics to reveal her current plan to escape. While all this is going on, Rita competes for the National Miss Special Delivery title in Washington, D.C.
The beloved POstables discover a 200-year-old valentine that could change history, while their investigation of a damaged letter leads them to a public figure who could be brought down by its contents. And in the aftermath of Valentine’s Day, Oliver, Shane, Norman, and Rita are each dealing with heartbreaking circumstances.
The city of Denver is experiencing a rash of mailbox robberies. Our intrepid four spring into action, determined to recover the stolen letters and help a young waitress retrieve a love letter she regrets having sent. Oliver is shocked to discover the perpetrator is a fellow postal worker with a personal score to settle. The postal detectives soon find themselves in a tense standoff when the culprit threatens to destroy the mail if his demands are not met. Along the way, romance slowly blossoms (too slowly for most of our POstables!) between the buttoned-up Oliver and Shane.
A battered package turns up in a prop mailbox on the set of a Denver-based commercial, prompting Oliver to open an investigation to track down its intended recipient. The team learns that the package contains a bucket list, apparently meant to reach someone nearing life's end. But before Oliver can immerse himself in the investigation, Shane convinces him to take an uncharacteristic break from his work and join his father, Joe, on a rustic camping excursion. Meanwhile, Norman and Rita embark on an out-of-state road trip, attempting to deliver the lost package to its rightful destination.
In the wake of Hurricane Katrina, New Orleans handyman and blues singer-songwriter Gabe Recolte was left homeless before he had the chance to express his love for club owner Hattie. Oliver and his team retrieve Gabe's love letter years later and face challenges in solving the mystery.
When The Postables discover an antique vase with a letter inside, they trace the package to three little girls who attempted to sell the vase 18 years ago in order to save their family farm. While the vase was an heirloom from many generations ago, the origin is suspicious. With the farm again facing financial hardship, The Postables must choose between doing what’s legal and what’s moral.
The Postables take a road trip in an old Winnebago in order to track down a small boy who they fear may have been kidnapped. The discovery of a 1980's era instant camera and the unusual photographs it contains, send our team on a wild ride across Colorado using the pictures as a guide.
When plans for Rita and Norman’s long-awaited wedding begins falling apart days before their nuptials, their challenges inspire changes that make their wedding more meaningful. Meanwhile, Shane convinces Oliver that the team should urgently focus on finding clues to deliver a package containing a wedding dress.
A legendary supervisor makes a grand entrance in time to oversee the postal detectives unravel a mystery behind a letter from a young boy whose life is in danger.
The postal detectives are inspired by their supervisor to take a risk to save the life of an army veteran.
The team attempt to deliver a potentially life-changing love letter.
The postables hunt for clues to deliver a package that could change a family forever, while their tough-as-nails supervisor turns towards a new life chapter.
The postal detectives try to deliver a package from a son to his estranged dad.
A letter from beyond the grave brings new life to an estranged family.
The postal detectives discover a package of music that can launch a career and restore a life.
Justice comes in the form of a letter as the team at the Dead Letter Office solve clues to deliver not only a letter, but an unspeakable truth that has been buried for years.
Lives are at risk when the Postables discover a box of treasure.
Norman meets a family member who changes his life.