Exclusive: FX has given a pilot order to Seven Sisters, a drama starring Elizabeth Olsen. It comes from executive producers Will Arbery, who wrote the pilot; Sean Durkin, who will direct it; and Garrett Basch.

Seven Sisters reunites Olsen and Durkin a decade and a half after the award-winning 2011 movie Martha Marcy May Marlene, written and directed by Durkin in his feature directorial debut, which starred Olsen in her film debut.

In Seven Sisters, from FX Productions, a large, tightknit family begins to unravel when a sister (Olsen) starts communicating with a voice no one else can hear — forcing each of them to confront long-buried secrets.

If the pilot goes forward, it would mark Basch’s fifth series for FX, where his company Dive has a longstanding first-look deal,...