The detectives investigate the murder of an oilman who may have been the victim of anti-oil activists, or he may have been murdered by someone a little closer to home. Lt. Yukon's brother, who is constantly in trouble, is brought in as an informant on the case, dredging up old wounds. Meanwhile, after continued visits from Earl, Grace ties to prove her strength by challenging him to a wrestling match. Her relationship with Ham becomes strained after he finds out about her past relationship with Butch. Ham is also being forced to spend the night elsewhere after his wife begins to suspect his affair with Grace.

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