Ryley Robinson, Non-Essential Systems Maintenance Chief onboard the Alterra Corporation's vessel the Aurora, was never noticed by his peers. However, when the Aurora was struck by an unknown energy pulse and the ship gets sent down onto water Planet 4546B, he is the only survivor.
Now forced to scavenge matireals, fend of dangerous fauna, and explore the wreckage of his old world in order to survive, Ryley uncovers the world beneath the waves. Finding records of an old alien race, Ryley is forced to work with the aliens to escape.