Crashing Thru (1949)

When Ranger Raymond is killed during a stage holdup, Wells Fargo Agent Whip Wilson assumes his identity. This gets him the job of town Marshal and he goes after gang leader Jarvis and his boss Devin. But unknown to Whip, Mason is the big boss and when Raymond's sister arrives and Whip's true identity becomes known, Mason plans to have Whip arrested for Raymond's murder.