Singing cowboy Roy Rogers (Roy Rogers) is an insurance investigator sent to find a stash of money lifted from a company payroll. Portraying a performer on a showboat as an undercover guise, Roy meets Betty Weston (Dale Evans), the daughter of the alleged robber Sam Weston (Harry Shannon), who has recently escaped from prison. Together, Roy and Betty set out to prove her father was wrongly accused and track down the real criminal