When the Great War breaks out, brothers Roy and Monte Rutledge, each attending Oxford University, enlist with the Royal Flying Corps.
Drummond's wedding with Phyllis is interrupted when the inspector guarding their gifts is killed. He tries to trace the killers and uncovers the mystery of diamond counterfeiters.
A highly respectable lawyer becomes a sexual animal after working hours; His live-in mother-in-law tries to keep him in line. When an actor-impersonator comes to see him, the two switch lives.