In a world where the fight for dominance is both personal and brutal, "Kingdom" delves into the intense realm of mixed martial arts and the complexities of family ties. The story centers on Alvey Kulina, portrayed by Frank Grillo, a former fighter who runs a gym with his ex-wife, Lisa, played by Kiele Sanchez. Together, they navigate the challenges of raising their sons, each with their own ambitions and struggles. The elder son, Nate, portrayed by Jonathan Tucker, grapples with his own demons as he pursues a career in fighting, while the younger son, Jay, played by Nick Jonas, seeks approval and recognition in the shadow of his family.

As the series unfolds, the family faces external pressures from rivals and the gritty realities of the fighting world, creating a charged atmosphere filled with emotional stakes and high-octane action. Themes of loyalty, betrayal, and the pursuit of greatness resonate throughout, making for a compelling drama that keeps viewers on the edge of their seats. With a strong ensemble cast, including Matt Lauria, Natalie Martinez, and Joanna Going, "Kingdom" offers a raw and unflinching look at what it means to fight for one's dreams while battling personal and familial conflicts.