Stalked by My Husband's Ex (2020)

Ryan Munson is the perfect husband for his second wife Kristen Carter and father to her new stepdaughter Lisa (aged ten). However both have exes who refuse to let go. Ryan's ex Nina manages by social media to build up a relationship with her daughter Lisa. Kirsten's much more devious ex Matt stays in the background, but plots to eliminate all rivals in one go by committing murder and framing Ryan.