A World War I veteran’s dreams of becoming a master architect evaporate in the cold light of economic realities. Things get even worse when he’s falsely convicted of a crime and sent to work on a chain gang.
Foreign investors converge on a luxury hotel in China to bid on a new kind of radioscope. But, this is a hotel where Burns and Allen are the in-house medical staff, a measles risk sends the whole building into quarantine, and a madcap millionaire crashes dinner in his autogyro. Hotel and radioscope become a stage for an all-star cast of comedians and musicians, from vaudeville to the new generation.
Chick Hewes is released from prison and finds work as an accountant. Two years later, Chick's crooked friend, Benny LaMarr, to whom he is indebted for past kindnesses, steals a diamond necklace from the home safe of the district attorney. When the district attorney threatens to accuse the police of inefficiency in crime fighting, Garvey, who is campaigning for the office of police commissioner, promises to catch the thief in twenty-four hours.
International con artist Martha Hicks a.k.a. Countess von Claudwig is released from another stay in prison and decides to treat her rheumatism with a stay at her estranged husband's hotel at a Wisconsin spa. There undercover, she checks in on the two daughters she abandoned as infants.
On the wharfs of San Francisco, saloon girl Toy, also known as Mary, lives over Mother Bright's bar. When Como Murphy, a fugitive from the law, hides in her room, she falls in love with him. He explains that after he spoke out about the rights of man to a crowd, a riot ensued, during which a policeman was killed. Como took the gun from the killer, but is thought to be guilty of the crime himself. Como, who reciprocates Mary's love, spends the night with her, but leaves to keep her out of danger. He joins the crew of a ship sailing to China after he is befriended by Turk, a big lumbering sailor who is also in love with Mary. Each man is unaware that they love the same woman.
This pre-Code comedy-thriller centers on Robert Holden, a broke and discouraged veteran, who meets fellow American Elinor Green at a cafe in Paris. After their first encounter, Holden's attempt to return Green's thought-to-be stolen purse ends up rendering him a stowaway on board a ship bound for America. Also aboard is a collection of characters, including Green's banker fiancé, a famed scientist, and an opera singer. Romance begins to blossom between Holden and Green, just as a radiogram claims that an “infernal machine,” or bomb, is aboard the ship. Quickly each passenger accuses the others of planting the bomb until eventually Holden, jealous of Green's attention to her undeserving fiancé, falsely admits to being the culprit. In his role as assumed perpetrator, Holden tests the group further.
Grace Livingston is leading a happy life in her small town, with her mother and father, being courted by two men, the steady but predictable Tommy Tucker and the more ambitious, flashy, and worldly Dick Loring, who seems closer to Grace in his desire for travel and adventure.
A professor tires of the direction his life is going and wants to move west, but his girlfriend doesn't understand why he is so dissatisfied.