Working mom Dawn Hillyer is blindsided when smart but casual ex-boyfriend Mike McClellan suddenly wants her back. When Dawn declines his advances, Mike lashes out, stalking her from afar and bombarding her with relentless calls and texts. When he launches anonymous cyber-attacks, Dawn fears he will destroy her reputation - and even her life. Things come to a head when Mike turns the tables on Dawn, making it appear to police as if he's actually the victim.