I actually liked it. I watched it a couple times to figure out why it ended like it did. Both girls survive. If you use the caption it shows both girls gasping for air. The screen said to kill her, not kill maddie. If you watch it over a couple times you will notice hints that Alex is pregnant and she found that out when they all were at the hospital. I was mad at first about the ending until I watched it again a few days later and I caught on to the hidden secret