Para verte mejor (背后有人) (2017)

Several families move into a high-end apartment building where they meet Onofre Villahermosa, the handsome, charming neighbor living in the penthouse. Little do they know that he is a criminal and a psychopath who has installed hidden cameras all over the building and in their homes, and uses the information he sees and hears to manipulate them without them knowing. This is also the story of couples who discover love at different ages.