Two Minions are busy at work in the mailroom. One of them, bored, decides to throw a box of expired PX-41 samples into its designated chute.

Paramutual Pictures wants to know where all the money is going so they hire Morty to be their spy. Morty works for Mr. Sneak and gets a job in the mail room so that he can have access to the lot. But all that Morty ever finds is that he can cause havoc no matter what he does.

After years of having her letters to her estranged father come back as undeliverable, a young woman takes a job at a Dead Letter Office. She hopes to figure out how to locate her father. Unexpectedly, she finds a potential romance and begins to learn more about herself.

"Unboxing" chronicles the journey of one college student as she picks up suspicious packages from her campus mail center. While her friends ponder her project in bewilderment and Alice fights tooth and nail to get these boxes back to her dorm, everyone is dying to know: what's in the box?