The Deep

David Sanders and his girlfriend Gail Berke arrive in Bermuda for a leisurely vacation. They intend to explore the underwater beauty and enjoy their time together, but the adventure soon takes an unexpected turn.

While scuba diving near shipwrecks, David and Gail discover various artifacts, including a mysterious ampule filled with an amber-colored liquid and a medallion. The medallion bears intriguing markings, hinting at a deeper history linked to treasure.

The couple seeks the expertise of Romer Treece, a local lighthouse keeper and treasure hunter, to identify the medallion. Treece recognizes its potential value and becomes interested in their find, deepening the plot.

The ampule catches the attention of Henri Cloche, a local drug kingpin, who tries to acquire it through intimidation. Cloche's threats escalate as he employs elements of Haitian black magic to instill fear in the couple.

Treece further examines the ampule and reveals that it contains medicinal morphine from the Goliath, a WWII shipwreck known for its dangerous cargo. This discovery leads to determining the risks associated with diving at the wreck site.

Treece devises a plan to deceive Cloche by pretending to negotiate for the ampules. He intends to find the treasure safely while making Cloche believe he will ultimately benefit from their dive expeditions.

Over the next few days, David, Gail, and Treece embark on several dives to recover equipment and artifacts from the wrecks. As they uncover thousands of ampules, tensions rise, particularly with the looming threat of Cloche.

Adam Coffin, the only survivor from the Goliath, joins the team but his loyalty becomes questionable during a shark attack. He nonchalantly claims he fell asleep while their lives were endangered, raising suspicions about his commitment.

Through diligent research in Treece's library, the group uncovers the history of the lost treasure ship and identifies the noblewoman associated with the artifacts. This discovery pushes them to locate an item to validate the treasure's provenance.

As the group moves forward with their plans, Cloche complicates matters by trying to reclaim the morphine for himself. Tensions escalate with clashes between Treece's team and Cloche's henchmen.

The situation turns dire when Treece's friend Kevin is murdered by one of Cloche's men. This acts as a catalyst for increased urgency among David and Gail as they realize the deadly stakes involved in their treasure hunt.

Adam, having proven to be unreliable, attempts to steal the morphine but fatally triggers a booby-trap. His betrayal showcases the perilous nature of their treasure hunt and raises the stakes even further.

During the final dive, a climactic confrontation occurs between Treece's team and Cloche's divers. A giant moray eel emerges from the wreck, resulting in multiple casualties among Cloche’s crew and altering the course of the conflict.

The conflict culminates in the explosion of the Goliath's cargo, destroying the wreck and cutting off Cloche's access to the hidden morphine. However, David, Gail, and Treece narrowly escape the chaos, highlighting their resilience.

In the aftermath, David, Gail, and Treece manage to recover a gold dragon necklace that provides the necessary provenance for the treasure they sought. Their journey culminates in triumph even in the face of adversity.