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.

An American agent exchanges places in prison with a condemned British officer and brother of a woman he greatly admires and goes to the gallows.

Charley West, a lineman, complains about his rickety old hand-car, and is given one that is up-to-date. He tries it out and finds he can send it sixty miles an hour. The train dispatcher, forgetting an oncoming special freight, allows a passenger train to leave the yard before he discovers his mistake.

Wesley Judell, as a missionary, finds a futile but puzzling field for work in the far, wild west.

John Wilson goes to the mountain-town bank to draw out the pay-roll. Sam Marvin and Ed Hanley "pike" this proceeding and ride on ahead, up the road, to await the coming of the superintendent in his auto. Jim Carter, the son of Sheriff Carter, also his deputy, observes their actions, and finds their pictures in prison records.

Bud Harris, a young miner with a reputation for courage, goes prospecting in the desert with Tom Jones in an attempt to locate a turquoise mine. Their water gives out and their horses die on the way. Bud thinks that Tom has water in his canteen and strikes him down.

Big "Bud" O'Neill, the sheriff of Yavapai County, is in love with Nellie Bowen, daughter of a wealthy rancher.

Dare Devil Tom Wallace, so called because of his seeming lack of fear, is held up while riding in the stage and robbed by a masked desperado named Morgan. Wallace finds the trail of the robber and follows it to the face of a cliff.

Alice Marson, an eastern young lady, becomes engaged to Glen Arnold, a young man just out of college. Girl-like, she rushes to her friend, Lucy Starr, and tells of the engagement. Lucy, who also had designs on Glen, congratulates Alice, but determines to break up the match.