The supplied material confirms the film's identity, director, and cast, but provides no plot summary or documented story events.
Story Breakdown
Film Identification — The record identifies Darling Mine as a lost 1920 American silent drama directed by Laurence Trimble.
Lost Film Status — The film is explicitly described as a lost American silent drama.
1920 Production — The supplied record dates the film to 1920.
Principal Cast — The record names Olive Thomas, Walter McGrail, and Walt Whitman among the film's stars.
Kitty McCarthy — Olive Thomas is listed as portraying Kitty McCarthy.
Roger Davis — Walter McGrail is listed as portraying Roger Davis.
Supporting Cast — The cast list also documents five supporting roles without describing their narrative relationships.
McCarthy Family Names — James McCarthy and Agnes McCarthy are listed as characters, but no family relationship is explicitly stated in the supplied plot material.
Additional Characters — Gordon Davis, Vera Maxwell, and Jay Savoy are listed without documented actions or relationships.
