About the Book:
A dead rig. A buried secret. A conspiracy that refuses to stay underwater.
Reporter Gemma Klein is supposed to be covering storm damage after Hurricane Tanya. The assignment should be routine: document the wreckage, talk to officials, and file another disaster follow-up before the news cycle moves on. Then an anonymous package points her toward Blackwater Rig Three, an offshore drilling platform with a violent past and a twenty-five-year-old explosion no one wants reopened.
Salvage operator Luke Mercer wants nothing to do with reporters, especially one asking questions about the accident that killed his father. Blackwater has already cost his family enough. But when Luke finds a hidden case inside the wreck, the old disaster stops looking like a tragedy and starts looking like evidence.
What Gemma and Luke uncover is bigger than one rig and older than one storm. Missing records. Shell companies. Offshore accounts. Insurance documents. Government filings. A powerful energy group with the money and reach to bury a fraud beneath layers of paperwork, legal threats, and convenient accidents. The deeper they dig, the clearer it becomes that Blackwater was never just a failed platform. It was part of a larger conspiracy built to protect fortunes, erase liability, and silence anyone who got too close.
The proof is scattered across damaged files, hidden ledgers, forgotten claims, and people who learned long ago that asking questions can ruin careers or end lives. Gemma follows the records. Luke follows the wreck. Together, they begin to trace the money trail from an offshore disaster site to a cover-up that was never supposed to surface.
Now evidence is disappearing. Witnesses are being pressured. The wreck itself may vanish before Gemma can prove what happened. Luke knows the sea, the rig, and the cost of trusting the wrong people. Gemma knows how to spot a lie, chase a source, and turn a hidden record into a public reckoning. Neither of them can expose Blackwater alone.
Black Gold Secret launches The Mercer Files, a clean action-adventure conspiracy thriller series where the treasure is not gold, jewels, or lost artifacts. The treasure is proof: records, ledgers, claims, archives, and buried evidence powerful people tried to erase.
My Review:
This is another good thriller from Baumgartner. The plot moves along quickly. Her writing includes no extra character ruminations or lengthy descriptions. For me, that meant I did not always clearly understand the action. Much of the plot takes place close to an underwater and damaged oil drilling rig, something with which I am unfamiliar. The lack of extensive description meant I sometimes did not comprehend the full scene.
The dialogue is snappy and moves quickly. The character development is not extensive but is sufficient to enjoy the ongoing relationship development. There is a back history to Gemma, a previous reporting mess she was involved in. I would have appreciated a little more background information on that.
This is a good novel for readers who like a tightly written novel with a fast moving plot and nearly continuous action.
About the Author:
(My star ratings: 5-An exceptional book, 4-Better than average, relevant and liked by me, 3-It is average, 2-It is below average and not liked by me, 1-It is practically unreadable.)
















