Flint Beecher's dream of a state title died Thursday night as McBain beat the Bucs 70-66 in overtime.
McBain now heads to the championship game and a date against Schoolcraft on Saturday.
Flint Beecher led the game in regulation for all but 20 seconds.
Beecher All-stater Monte Morris finished with 21 points, 10 rebounds and 6 assists in a losing effort.
Jared Larr led McBain with 19 points while Cody King scored 13.