A skeleton key and maps from Fred Nolan's archives open a new door in the Lagina's quest, while new evidence suggests a Templar connection to the lead cross found in Smith's Cove.
| Title | A Key to the Mystery |
|---|---|
| Genres | Mystery Action & Adventure Reality Documentary |
| Release Date | 2018-01-30 |
| Episode Runtime | 00 Hours 43 Minutes |
| Season Number | 5 |
| Episode Number | 12 |
| Production Companies | Prometheus Entertainment |
