The Port of Missing Girls (1928)

Neglected by her moneyed parents and disillusioned with her boyfriend (Buddie Larkins, a bootlegger and philanderer), aspiring vocalist Ruth King joins a school for stage and fancy dancing, thus playing into the hand of DeLeon, its owner, who encourages students to live on the premises hoping to lure them into compromising situations. Buddie delivers a liquor order to the school hotel and discovers Ruth there. King, a lawyer, learns that DeLeon is responsible for the suicide of the daughter of one of his clients, Mrs. Blane. He and Buddie effect DeLeon's arrest and bring Ruth back home.