Law of the Plainsman was a TV-series of 1 season that ran from October 1959 to May 1960.
Apache Indian Sam Buckhart saved the life of a U.S. Cavalry officer after an Indian ambush. When the officer died, he left Sam money that was used for an education at private schools and Harvard University. After school, he returned to New Mexico where he became a Deputy Marshal working for Marshal Andy Morrison and living in a boarding house run by Martha Commager. - Source: IMDb.com