The film follows a wealthy older man, who discovers he is dying and pays to have his mind transplanted into a younger man's body. When he discovers how his new body was acquired, he defies the company that provided it and is hunted by mercenaries.
"Selfless is a unique high-concept thriller and exactly what we're looking for."
The brothers are best known for writing and directing the horror film Carriers, which starred Chris Pine and Piper Perabo.
This project is still in development.