Lost Letter Mysteries: Lost Without You (2016)

Postal detective Oliver's working philosophy is put to the ultimate test when he and his team seem unable to deliver a damaged letter from a military veteran to its intended recipient. With his faith in his abilities shaken, Oliver takes a much-needed break from his duties to go on a father-son bonding trip with his dad. Meanwhile, his colleagues Norman and Rita embark on a road trip to pursue leads on the veteran's urgent parcel. A feature-length edition of the light-hearted mystery drama, starring Eric Mabius.