Partners of the Tide

The Chinese Secret Service sends an undercover agent to investigate reports of an island ruled by a Chinese criminal named The Cobra who holds the residents in virtual slavery while running his illegal narcotics and white-slavery empire.

Jim Blaine and his daughter Elsie meet Bill Carson , while en route to Weepah in search of gold. Elsie, who is much admired by Bill, plays the violin in the dance-hall managed by Steve Morton, who controls a gang of claim jumpers. Elsie's father is robbed of gold dust by one of Morton's men, Bill recovers it and indicates he knows the culprit.

Parrish, a young author, leaves his study during a storm to answer a call for help. He discovers a dying man and is rewarded with a treasure map, which he shows to Carroll, a retired sea captain. They plan a quest for the treasure; but before Carroll's ship sails, Parrish is drugged, relieved of the map, and thrown from the dock.

While taking a joyride with his sweetie Patricia, daredevil pilot Roy Cummins witnesses the aerial hijacking of a mail plane.

Goro Mariyama uses the profits from his ethically run gambling house to help the poor. Gambler Blair Whitcomb accuses Goro of cheating, then shoots him after losing a $10,000 bet. Goro survives a punctured lung only through the efforts of nurse Gloria Manning, Blair's fiancée. When Goro confesses his love for Gloria, he is shocked to hear of her engagement. Following his recovery, Goro discovers that Blair has given him a bad check, and demands that the gambler pay his debt in person. Although Blair complies, Goro has him arrested for attempted murder. Gloria pleads for her fiancé's release, revealing that she can never love Goro because he is of a different race. The disappointed Goro enables Blair's escape as payment to Gloria for saving his life.

Rancher Cal Horton, who has suffered considerably at the hands of cattle rustlers who have become a menace to local life and property, is called on by the United States Government to track down the outlaws.

Jilted on her wedding day, Maud Wainwright becomes a confirmed man-hater. Homesteading in the Southwest, she ignores the attentions of both bandit "Three Gun Smith" and Sheriff Steve Kennedy. When Smith's gang accidentally knocks over Maud's cabin, the men take her to Smith's cabin while they rebuild her dwelling. There, Maud discovers a mail pouch and believing that it was stolen by Smith, reports him to the sheriff, who persuades her to assist him in arresting the bandit. After Smith is captured, Maud discovers papers that prove he is actually a secret service agent and that the sheriff is the real bandit. Riding to Smith's rescue, Maud prevents him from being lynched at the hands of vigilantes and then proclaims her love for him.

There's dirty work afoot at the crossroads when arch-villain Howard Breen and a crooked banker are scheming to take over the Jeremiah Grant's ranch, and Breen also has his eye on Grant's daughter, Evelyn. However, cowhand Johnny Bowers, who also has an eye on Evelyn, and his horse, Lightning, put an end to the villainy.

Young Southerners Buck Hineman and Remington Osbury both are in love with the same woman, who promises to marry the one who returns when the Civil War breaks out. On the battlefield, Remington is wounded and left for dead, and Buck returns to marry her. Shortly afterward, Remington returns and contents himself with becoming one of the Hineman family.

A girl reared in luxury is forced by circumstances to adapt herself to poverty.

Norman Draper, a Texas Ranger sent to round up a band of cattle rustlers, finds Phillip Carlson at the deathbed of his wife and assists him in burying her. Meanwhile, cow thieves are plaguing Marcos Valverde and his daughter Elicia; and Leon Serrano, the local deputy sheriff (actually the leader of the rustlers), realizing the community will demand a victim, arrests Carlson, who has innocently bought a stolen horse from the thieves. Draper rescues him from a lynching party and learns the whereabouts of the rustlers. Leon Serrano is unmasked as the culprit and then is arrested by Draper, who gives his reward to Carlson and is himself rewarded by the love of Elicia.

Cliff Barton, suspicious of the intentions of the local banker, Seth Tolliver, withdraws his money from the bank, hides it, and is later killed by two hirelings of the banker. Deputy Sheriff Art Stratton, who has trained Barton's horse and is in love with his daughter, Thora, is assigned to guard the ranch for the creditors; and Tolliver, who has designs on the property and wants his son to marry Thora, arranges to have the ranch auctioned.

Merwin hires Barton to fight Welsh, but when Barton arrives in town, Welsh mistakes him for the hired killer Single-Shot Smith. Figuring he can help Merwin by being part of Welsh's gang he hires on as Single-Shot. But soon the real Single-Shot appears.

The Redeeming Sin (1929) is a crime drama part-talking silent film with Vitaphone music and sound effects. It was produced and distributed by Warner Bros. and stars Dolores Costello. This film is currently a lost film.

Tom Denton comes from the East to the Northwest lumber region and becomes co-owner of a lumber camp with Howard Patton, whose bored wife Vera insists on flirting with Tom despite his discouragement.