George W. Weeks Productions

Guests at a luxury hotel are horrified when they witness a man literally "disappear into thin air." The vanished man's relatives hire a detective, who goes to the hotel to investigate the disappearance.

Bill Grant is a small-time gambler who spends more time embellishing his accomplishments than actually doing anything. He has a small run of good luck when he wins a racehorse during a poker game. This enables him to enjoy the lifestyle he has been bragging about for so long. While in high society, he falls for Norma, whose father is big in racing circles.

John Moore, a young sea captain has a romance with Kay Wheeler, daughter of a trusted trader, "Pop" Wheeler, on a Pacific island. He also acquire the enmity of "Shanghai" Morgan, a notorious sea captain who shanghais his crew and his women.

On trial for the murder of Carl Hummel, Eddie Williams tells his story, which begins just before the World War

The Rainbow Man is a 1929 black and white American musical film.