The forgotten

This movie is about a woman who thought she lost her son in a plane crash that she wasn't on and then everyone one- one day forgets her son but not her she meets a man that had a daughter on the same plan and finds out the man doesnt even remember his daughter but the woman convinces him to look around and say hber name three times then he finally remembers her they go on a journey to find out what really happened to their kids and finds out it was an experiment that wasn't about the kids it was to make the parents forget so an evil man takes away her memory but after that she still remembers and this man finds out she is never giving up and their was no real plane crash that man took the kids and the only other woman that  beleives the man who lost  his daughter and the woman that lost her son mysteriously disappears