Revealing mistake: When everyone first gets off the bus outside the hotel, Williams shakes hands with Margaret. If you look at his wrist you can see his real skin, not the prosthetic which is supposed to go nearly up to his elbow. It can be seen a little better in the next shot as well.
See No Evil (2006)
Ending / spoiler
Directed by: Gregory Dark
Starring: Christina Vidal, Glenn Jacobs, Michael J. Pagan, Samantha Noble
It ends up that the woman restoring the hotel is Kane's mum. He kills her as he doesn't want to kill Kira. Tye is killed by the taser. Michael comes back to save them and Kane's char is killed. They all leave the hotel together. Kane aka the killer mom tries to get Kira out but she gets killed. Everyone else in the hotel leaves safely.
Raven
More mistakes in See No Evil
Melissa: Where are we going?
Russell: Seventh floor.
Melissa: Why?
Russell: Lucky number?