Leo and Alejandra attempt to formulate a groundbreaking serum to help their loved ones while battling personal demons that threaten as well as drive their ambition.

Newlyweds Parker and Madeline move into their dream home. As they settle in, they discover a box of old love letters written to the original owner. And as the couple digs into the increasingly obsessive correspondence, a mysterious woman arrives with a horrifying secret that threatens their lives.

A married womans husband with a perfect life cheats with her sister with extreme consequences befalling them all.

The coastal town of Bristol Cove is known for its legend of once being home to mermaids. When the arrival of a mysterious girl proves this folklore all too true, the battle between man and sea takes a very vicious turn as these predatory beings return to reclaim their right to the ocean.