Dumbbells in Ermine is a 1930 American early talkie PreCode comedy film based on the 1925 play Weak Sisters by Lynn Starling. The film stars Robert Armstrong and Barbara Kent, and features Beryl Mercer, James Gleason, and Claude Gillingwater.
Nevertheless, Kents grandmother, played by Beryl Mercer, and her uncle, played by Claude Gillingwater, do their best to help the romance between Kent and Armstrong. Eventually Kent and Armstrong quarrel, and this leads Kent to agree to her mothers request that she marry the missionary Arthur Hoyt. When the missionary invites some weak sisters to a revival meeting one of them, a showgirl, accuses him of being responsible for her downfall.Because of this, the missionary is publicly disgraced and the marriage cancelled. Gleason helps Armstrong become reconciled with Kent and they marry with the blessings of the family. ........
Source: Wikipedia