Blonde Venus (1932)

Helen Faraday is a German cabaret singer in the United States whose husband, Ned, falls ill and his only hope is to receive expensive medical treatment at a clinic in Europe. Struggling to afford his care and to support their son Johnny, she works at a nightclub and succumbs to the advances of wealthy playboy Nick, whose gifts assist in her husband's recovery. Soon Ned recovers and returns, but when he discovers that Helen has been unfaithful, he divorces her and threatens to take their son, causing Helen and Johnny to hit the road.