HBO Films has acquired the Plan B-produced drama “Nightingale” starring David Oyelowo, which is set to premiere May 29.

The pic features Oyelowo as the sole character, a war veteran whose life begins to unravel as he lives in isolation. Elliott Lester directed from from a screenplay by Frederick Mensch. “Nightingale” played the Los Angeles Film Festival last year.

Mensch’s script for “Nightingale” got attention on the Blacklist.com, where it caught the eye of exec producer Josh Weinstock. Weinstock and Lester brought it to Katrina Wolfe of BN Films, which signed on to produce and finance the pic.

Plan B Entertainment produced “Nightingale” with BN Films in association with Sea Smoke Entertainment and Yoruba Saxon Productions. Weinstock, Lester, Oyelowo and Wolfe are exec producers as well as Plan B’s Brad Pitt, Dede Gardner and Jeremy Kleiner.