The Two Envelopes
The Hollingsworth family uncovered Will's letter to Rose O'Connor, along with the two envelopes — one that went with his letter and another Jim O'Connor — over ten years ago. Since then they've been under the impression that someone forwarded Will's letter, envelope and all, to Jim a year later. Perhaps as a way to keep him in the loop as to what Will and his (potential) wife Rose were up to.
Part 2 explores whether that is even possible by getting a little destructive and taking things apart.
Read the transcript for Part 2.