It’s about a young woman who meets a man with a dark secret.
He’s holding his ex-girlfriend (or even ex-fiancé) hostage in a lab that he hides under his living room (door to that is under the couch). She’s in a coma he induced her in.
He wants to harvest the organs of the young woman for his ex.
I forgot the title, please help.
The movie is from the 2000s, maybe early 2010s.