The differences between West of El Dorado and Johnny Mack Brown's previous 1949 vehicles are minimal. Once again, Brown is teamed with Max "Alibi" Terhune, comic ventriloquist extraordinaire. In this outing, Johnny and Alibi try to straighten out a hostile young boy (Teddy Infuhr) whose older brother was a notorious stagecoach bandit. When a gang of thieves try to strong-arm the kid into revealing the whereabouts of the stolen loot, Johnny and Alibi come to the rescue. There's a cursory romantic subplot involving heroine Mary (Reno Browne) and Barstow (Marshall Reed).