Sam Bernard

Captain Biff Brown owns a boat used to ferry prisoners from the mainland to Alcatraz. The police find some escape tools on his boat and, although Brown isn't involved, his contract is terminated and he goes back to tuna fishing. Brown takes his friend Sanderson to his boarding house and introduces him to his sweetheart Madge Harris and Sanderson also falls in love with her. A gang headed by Red Mason and trying to escape the country bribe Brown's engineer, Venatti, and are hiding on the boat the next time Brown and Sanderson take it out. They take over the boat but a storm is approaching...

Dick Tracy goes up against a villain known as The Ghost, who can turn himself invisible.

A shy book reviewer is confused with a notorious gangster who has just been release from prison.

Boston pharmacist Tom Craig comes to Sacramento, where he runs afoul of local political boss Britt Dawson, who exacts protection payment from the citizenry. Dawson frames Craig with poisoned medicine, but Craig redeems himself during a Gold Rush epidemic.

A private detective, soon to enlist in the army, is drawn into one final case when his police officer father is killed in the line of duty. Soon his prime suspect is murdered as well, and he finds himself framed for the crime. As more witnesses get murdered, he finds himself on the run from both the police and former Prohibition violators who seem to have found a new racket.

Cosmo Jones, a correspondence-school detective from a small town, comes to the big city to offer his services to the police. He happens by where a gangster is killed by an opposing gang. Socialite Phyllis Blake is running around with gang member Tom and the opposing gang plan on kidnapping her. Cosmo is with Sergeant Flanagan when the attempt is made in front of a night club, where a bystander is seriously wounded in the gun-battle. Police Chief Murphy blames Flanagan for the shooting and demotes him. Cosmo, with the aid of a porter, Eustace and Flanagan's fiancée, Susan, tries to find the killer. Phyllis is finally kidnapped and Cosmo decides the act was committed by one of the two gangs. He has her father place an ad in the newspaper that contact has been made with the kidnappers. Each gang thinks the other is pulling a double cross, and one gang wipes out the other.

Promoter Ann Porter decides to start her own Ice Show despite the efforts of ex-racketeer Duke Baldwin who owns a rival show. Jeff Stewart, a rich, suave young Broadwayite, falls in love with Ann and aids her in her fight against Baldwin.

A reporter gets himself sent to prison to expose a mobster.