Partners "Smilin' Bob" Corey and Jim O'Neil are forest rangers sent to peacefully "penetrate" Paradise Valley, which is scheduled to become part of a national park. Although the townspeople are sullen about their presence, they manage to befriend Marie Roselli, an Italian girl whose brother Wolf owns a cattle ranch and from they obtain supplies. Before they; know it, Bob and Jim get caught up in a kidnapping, an illegal logging ring, and a murder.

Racketeer Frank Rocci is smitten with Joan Whelan, a dancer at Texas Guinan's famous Broadway night spot. He uses his influence to help her get a starring role in the show, hoping that it will also get Joan to fall in love with him. After scoring a hit, Joan accepts Frank's marriage proposal, more out of gratitude than love. The situation gets even stickier when she falls for a handsome band leader during a trip to Florida. Can she tell Frank she's in love with someone else?

Katherine Trowbridge, a rebellious young orphan, lives with her aunt and uncle, the Curtises, who desire a match between Katherine and Weathersbee but pretend to oppose the union, knowing she will be the more likely to accept it. Accidentally discovering their trickery, she leaves home and determines to marry the first man who will have her.

Aging roué Arthur Merrill meets flapper Penelope Stevens on an ocean liner and decides to undergo rejuvenation surgery so that he may enjoy life again. Transformed, he attends a wild jazz party given by Penelope and persuades her to visit his apartment, but he finds that she is a "good girl" and only flirting. After he gives Penelope a scare and a lecture, her old beau, Brock Farley, enters with a letter to Arthur that reveals Brock to be his son. Arthur gladly steps aside, renounces his wild living, and returns to a simple life.