"Haven Ambrose, a trailblazing nautical archaeologist, has come to the sun-soaked village of Positano to investigate the mysterious shipwrecks along the Amalfi Coast. But Haven is hoping to find more than old artifacts beneath the azure waters; she is secretly on a quest to locate a trove of priceless gemstones her late father spotted on his final dive. Upon Haven's arrival, strange maelstroms and misfortunes start plaguing the town. Is it nature...