As firenadoes continue to rip through 9-1-1: Nashville , an even more explosive force is brewing between Blythe ( Jessica Capshaw ) and Dixie ( LeAnn Rimes ).

Blythe has always known that her husband Don (Chris O’Donnell) fathered a child with his ex-girlfriend Dixie during their brief separation, something she was fully prepared to leave in the past. But now that Don and Dixie’s all-grown-up son Blue (Hunter McVey) has reentered his estranged father’s life in a big way, the door to the past has flung violently open, forcing Blythe to get proactive in regards to her husband’s ex.

“I’m here to tell you to stay away from my husband,” Blythe warns Dixie in the promo below, teasing one of many confrontations to come. “It’s a declaration of war,” showrunner Rashad Raisani tells TVLi

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