1. The Mysterious Treasure of the Republic

Martin Bayerle and his estranged son, Grant, return to the wreck that nearly destroyed their family, and begin an expedition which could be their last chance to solve the mystery of the RMS Republic and recover over a billion dollars of treasure.

2. Diver Down

Martin unravels more of the mystery behind the Republic's treasure. And, during an attempt to recover the gold a panicking diver has an accident that puts his life in jeopardy and threatens to shut the mission down.

3. Doomed to Repeat

When the ship's generator fails, and diver Mark's condition worsens, the crew must head back to port. And a devastated Martin recalls his failed 1987 Republic dive and the crushing effect it had on his life.

4. The Gold Chamber of Secrets

Martin follows the money trail through history and identifies a mysterious transaction with a Russian banker that may prove the gold is aboard the RMS Republic, while he and the salvage crew return to the wreck and zero in on her bounty.

6. The Price of Gold

A dive on the port side of the wreck yields a piece of the past, and a suspicious boat is spotted nearby.

7. The Mystery Deepens

New information is revealed, and questions are answered about the history and mystery of the RMS Republic, her billion dollar gold cargo, and the Bayerle's obsessive quest to recover the bounty and unlock a century old conspiracy.

8. The Lure of the Republic

Grant challenges his father's strategy and forces a new approach to recovering the bounty of the Republic.

9. The Gold Rush

The crew makes a run at Republic's treasure, and faces down a destructive storm.