I don't know why this was recommended as a "must-watch thriller" because honestly, it isn't. The protagonist was so annoying - made a lot of st*pid mistakes for a supposedly seasoned cop. I could forgive the rookie cop for her mistakes, because, well, she's a newbie. I tried to watch it until the end just to see how the mystery will unfold, but I couldn't. About halfway through the film, I decided to just drop the movie as it got more annoying by the second. That's just my opinion. Others might have a different review of the film.