The story is told in flashback. Backers want a gambler to marry a rich girl for her dowry.

Brawling cable layer Steve Reardon doesn’t want to marry girlfriend Edith but he also doesn’t want her to date other men.

When a friend of Charlie’s is found kicked to death by his own race horse on board a Honolulu-bound liner, the detective discovers foul play and uncovers an international gambling…

Betrayal and espionage abound as an experimental aircraft is readied for its maiden voyage.