Signed, Sealed, Delivered: Home Again- 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.Signed, Sealed, Delivered: The Road Less Traveled- 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.Signed, Sealed, Delivered: To the Altar- The long-awaited wedding of Norman and Rita leads the POstables to letter for a young woman with clues about her missing mother.Signed, Sealed, Delivered: The Vows We Have Made- As Shane and Oliver prepare to wed, the team helps an unwell boy reunite with a lost friend. A new employee may deliver the answer for Rita and Norman to start a family.