Stalked: Someone's Watching (2011)

S3E16 If I Can't Have You

Kaity Sudberry is a high-achieving teenager with a promising future and a new boyfriend, Daniel Byrd. However, when Daniel’s jealousy escalates into aggression, she decides to end their relationship. Now, Kaity's family must find the strength to protect her from a heartbroken teen who is dangerously fixated on her.