The Glass House (2001)

after the death of their parents, ruby and her younger brother rhett are entrusted to a couple of family friends, erin and terry glass, who welcome them into their home, satisfying them in everything, in an attempt to make them overcome the trauma while waiting for the opening of the will establish their future. but little by little what looks like a fairytale villa, perched on a lush promontory overlooking the ocean, reveals itself to ruby as an inhospitable prison, where guardians seem to hide something.