Leonardo DiCaprio will produce through his Appian Way banner along with Jennifer Killoran, Shawn Papazian, Mike Weber and Ted Field.
Daniel Myrick is writing and directing the pic. Hannah New will star.
Story follows a woman trying to get over a recent romantic breakup, while unknown to her, a stalker befriends her on social media while staying in her home.
Production starts next month.
The news comes following her recent signing with Luber Roklin Management.