12 Feet Deep

I'll keep this review brief. The movie can help you pass the 90 minutes. The concept is intriguing, the setting is terrifying, and the older sister (Bree) is a good actress. So it's not that bad.

But there are many instances where you will get frustrated or roll your eyes. First, the main characters make a lot of idiotic choices when they are trapped. I won't spoil anything. I'll just say that they spend too much time arguing with each other nonstop instead of working together intelligently. Secondly, the movie adds a villain, the night janitor. The villain's plot is unworkable, unconvincing. And the movie does not adequately explain her feelings and motivations.