Captain Drummond is travelling to Switzerland to marry his girlfriend. However, when a cargo containing dangerous explosives goes missing from its place, Drummond is forced to delay his plans.

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.

Drummond has to leave for Morocco on his wedding day with his fiancee and trusted friends to rescue his friend Nielsen who is kidnapped by an international criminal.

The invention of a machine that can cause remote explosions brings the attention of Scotland Yard and Bulldog Drummond.

Hugh “Bulldog” Drummond is on the precipice of matrimony to his beloved Phyllis -- but a bank robbery and a daring escape is going to get in their way before they reach the altar.

Drummond manages to save a woman from jumping in front of his car but she runs away with his car. He traces her and she asks him to help her out of a dangerous situation.

Captain Drummond and his girlfriend want to marry but a hidden treasure in the house in which they want to celebrate their marriage is complicating the situation involving a series of deaths and an elusive murderer.

Drummond's girlfriend is kidnapped by his enemies and he along with his friend Nielsen, an inspector from Scotland Yard, follow the trail and try to rescue her from the kidnappers.