Silent Thunder

Hannah Bryson, a marine architect, is tasked with creating a schematic for the Russian nuclear submarine, The Silent Thunder, which is set to be exhibited in a museum. Alongside her brother, Connor, she uncovers a mysterious message hidden within the sub. However, after Connor's shocking murder during an assault, Hannah finds herself in a deadly chase, realizing she is being used as bait in a larger scheme where her life hangs in the balance.