Under Lock and Key
- Episode aired May 6, 2012
- TV-14
- 54m
After Doyle exposes Mark's past, Mark sets out on a secret quest. When a collision sends the RMS Olympic back to the shipyard, Mark must study the implications of the wreck from the view of ... Read allAfter Doyle exposes Mark's past, Mark sets out on a secret quest. When a collision sends the RMS Olympic back to the shipyard, Mark must study the implications of the wreck from the view of the Titanic's metallurgy.After Doyle exposes Mark's past, Mark sets out on a secret quest. When a collision sends the RMS Olympic back to the shipyard, Mark must study the implications of the wreck from the view of the Titanic's metallurgy.