The 10-episode limited series will launch Sept. 21. The series tells the stories of Annie Landsberg (Emma Stone) and Owen Milgrim (Jonah Hill), two strangers drawn to the late stages of a mysterious pharmaceutical trial, each for their own reasons. Annie's disaffected and aimless, fixated on broken relationships with her mother and her sister; Owen, the fifth son of wealthy New York industrialists, has struggled his whole life with a disputed diagnosis of schizophrenia.