Overview
12 Feet Deep (originally titled The Deep End) is a 2017 American psychological horror-thriller film written and directed by Matt Eskandari. It stars Alexandra Park and Nora-Jane Noone as sisters who find themselves trapped inside a public swimming pool when the manager of the aquatic center, without knowing the sisters are still inside, activates the pool cover and leaves for the holidays. Released by Mar Vista Entertainment on June 20, 2017, it received generally positive reviews.
Plot
Bree decides to go for a swim at the Ketea Aquatic Center. The pool manager, McGradey, later hangs signs around the pool mentioning that the pool is closing up for the holiday. Bree is later joined by her sister, Jonna, a recovering drug addict who is three months clean. In the pool, the two sisters connect over a competition in college. Clara, the janitor of the aquatic center and an ex-convict on parole, is caught by McGradey attempting to steal from the lost and found. She is fired and told to clean up before leaving. McGradey then eagerly tells all swimmers to leave as they prepare to close. Bree and Jonna reluctantly do so. While packing up, Bree realizes that her engagement ring is missing, after attempting to show Jonna. Jonna sees the ring stuck in the metal grate at the bottom of the pool and both dive in to retrieve it. McGradey thinks everyone has left the pool and decides to close up, failing to notice the women in the deep end of the pool. He engages the pool cover and leaves for the day with the two women trapped inside the pool.
The women are terrified and unsuccessfully attempt to escape. Shortly afterward, Jonna reveals that she is secretly envious of Bree's successful lifestyle and jealous of her recent engagement and that she pulled the ring from Bree's bag and threw it in the pool. Bree is initially angry with her sister but her anger is short-lived. Bree also talks about her past with her abusive alcoholic and drug addicted father. She also opens up about the fire which led to his death. Bree reveals that she is diabetic and requires a shot, or there is a possibility that she might slip into a diabetic coma.
Clara, preparing to leave, is surprised to see the two women trapped underneath the pool cover. Leading the women to believe she is going to help them, she picks up Bree's bag, taking her cash, smartphone and credit card. Clara then proceeds to blackmail her for the password to her phone and her credit card PIN.
From Wikipedia (CC BY-SA 4.0).