When strong-willed Summer Pratt takes a job at a beautiful estate as the new nanny to a sweet but sad little girl named Sophie, she soon starts to suspect something is very wrong with the beautiful, wealthy couple who call themselves her parents.

When ambitious reporter Allie Rusch is recruited by vindictive music manager Vivian Cartwright to play cupid to famous pop musicians Caleb Greene and Carson Peet in return for an exclusive story over Valentine's weekend, Allie soon realizes Caleb has his sights set on her. Now, torn between her big career move and her growing feelings for Caleb, Allie is left to question whether she can coerce Caleb into something his heart does not desire, or if she should fall in love and make him her very own Valentine.

Three years after a tragic accident leaves a student dead at the annual Homecoming dance, a group of senior friends anxious about the return of Homecoming Night to their sleepy Southern town find themselves visited by a deadly presence from their past in the dark and desolate halls of their very own high school.