Hanna notices some suspicious activity at a nearby cabin while she's kayaking by herself in a remote lake. Believing the woman and her daughter staying there might be in danger, she notifies the authorities. After the authorities find nothing wrong or unusual, they brush off Hanna. When she looks in on them, it sets off a deadly cat-and-mouse game of survival.

Brooke juggles marriages to high-school love Stefan and rich older husband Dane as she and Stefan scheme for money. Dane's daughter Eliza threatens exposure while Brooke regrets the plan, risking a showdown.

Two mothers battle to see which of their overachieving daughters will be accepted to a prestigious university. However, when one of their methods quickly spirals out of control, the games turned deadly.

After Halle meets Mark and embraces a quiet farm life, her world is upended when Mark's unexpected fame exposes her secret past.

Great white sharks attack a fishing charter, ramming a hole in the ship’s hull. With the shoreline miles away, those aboard are forced to fight for their lives before they are either drowned or eaten alive.