CAVEWOMAN RIPTIDE ONE SHOT (2019)

"Meriem and Carrie are enjoying a beach picnic on a beautiful summer day. After deciding to take a walk, they happen upon the corpse of a missing girl from Marshville. Following the clues, they realize that they are on the trail of Meriem's deadly and mysterious underwater enemy. What they do not realize is this is actually a sibling of her greatest foe."