A glamorous film star rebels against the studio, her pushy press agent and a family of hangers-on.

Grace Darmond, who had made quite a splash in the 1921 (and still extant) serial The Hope Diamond Mystery, returned to the Saturday matinees as Marjorie Stanton, the treasure-hunting damsel-in-distress of A Dangerous Adventure, produced in 15 chapters and directed by two of the Warner Brothers, Sam and Jack L. Warner. Marjorie and her sister Edith (Derelys Perdue) accompany their uncle (Jack Richardson) on a treasure hunt to Darkest Africa, where the latter fiendishly attempts to sell Marjorie to Ubanga (Rex de Roselli), the local High Priest. Happily, also along for the ride is handsome MacDonald Hayden (Philo McCullough), a wild game hunter who rescues both girls from several fates worse than death.

While traveling through the prarie, an elderly and cantankerous lady loses control of her car. One of the locals, Tom Faxton (Mix), comes to her rescue. He receives the full impact of the woman's gratitude a few years later when she dies and bequeaths him a rest home for elderly ladies.

Bob Merril, looking for the killer of Buddy's father, has found the secret entrance to Pecos' hideout. There he captures Indian Joe who confesses that Marsdan was the killer, But while Bob is off riding in the rodeo his witness escapes.

A cowpuncher by the name of Whistling Dan is adopted by a rancher, Joe Cumberland (James O. Barrows). His daughter, Kate is immediately attracted to Dan, but Cumberland discourages the union since he thinks the young man is too wild for her.

Fired for crashing his aeroplane into his employer's ranch, Tom Mix is elected sheriff in a town with, as a title stated, "a high mortality rate among sheriffs." Mix, of course, prevails against almost impossible odds, at one point cornering a gang of cutthroats holding leading lady Dorothy Dwan captive in the crater of a volcano about to erupt.

Arizona cowboy Coot Cadigan travels to San Francisco and runs into Stuffy McGee, a small-time crook who stages phony "fights" to amuse the tourists. During one of those frights a man is killed and Coot gets blamed for it. Stuffy hides him out, but when he gets arrested Coot hightails it back to Arizona. with Stuffy's three children. To earn some money, he enters the Arizona Sweepstakes, a horse race with a large purse and one on which Col. Savery--the father of the girl Coot loves--depends on to save his ranch.

In 1927 Hollywood, a silent film star falls for a chorus girl just as he and his paranoid screen partner struggle to make the difficult transition to talking pictures.

A reluctant cavalry Captain must track a defiant tribe of migrating Cheyenne.

A lawman, his dog and his trusty white stallion fight a gang of outlaws.