Honor runs deep. Betrayal runs deeper.When a classified Navy AI begins transmitting U.S. fleet intelligence straight to China, Lieutenant Commander Jill Sinclair is sent to recover the source-an operation that drags her into the murky depths of Hong Kong Harbor and the heart of a conspiracy years in the making.What she uncovers isn't simple treason.America's most advanced logistics network has been weaponized against its own fleet-by someone with power in Washington.By day Jill serves as a senator's aide.By assignment she operates in the shadows.But nothing prepares her for an enemy who seems to anticipate every move-and who sends operatives to her home, where her husband becomes the next target.Now the clock is running out.As Chinese forces position for a strike and compromised systems cripple the Pacific Fleet, Jill races from Hong Kong to Capitol Hill to expose the truth before thousands of sailors pay the ultimate price. The deeper she digs, the clearer it becomes: The traitor isn't hiding offshore. They're hiding in plain sight.From underwater recoveries to political deception at the highest levels, Beneath the Surface delivers a clean, high-tension military thriller where technology, loyalty, and human judgment collide.Jill Sinclair doesn't flinch.She calculates-then she fights.