A newlywed woman's life takes a turn for the worse when her mother-in-law moves in. Little does she know how dangerous the older woman is.

Charlotte has a night of passion with a younger guy and the next day discovers that he is a new pupil at the high school where she teaches.

The moment Riley meets Chris, she thinks he is handsome, charming and affectionate. He seems perfect, but after a party at his house, Riley sees that Chris has a darker side.