In Los Angeles, Charles "Chairleg" Sun, a ruthless assassin for the Taiwanese Jade Dragon triad, lives by a strict code of duty. When an unseen hit squad ambushes his father, Big Sun, leaving the triad leader in a coma, Charles flies to California to protect his
estranged mother, Eileen, and his sheltered, oblivious younger brother, Bruce. Bruce is an aspiring improvisational comedian and medical student who has been kept entirely in the dark about his family's lethal legacy.Upon arrival, Charles discovers that Eileen—who fled to America years ago to give Bruce a normal life—is far from a helpless housewife. She is a calculating strategist with her own criminal history, immediately recognizing that Big Sun’s incapacitation has triggered a violent power vacuum. A mysterious, newly formed faction known as the Boxers is systematically hunting down the Elders of the Taiwan triads.As Charles attempts to blend into suburban life, his lethal instincts repeatedly clash with Bruce’s mundane world. Tensions mount as Bruce struggles to process the revelation that his family runs an international criminal empire. Meanwhile, Charles forms an unexpected bond with May, a local DA investigator, and connects with Grace, a brilliant biotech mogul who hides a dangerous secret.The plot thickens when Eileen is kidnapped by the Boxers, led by the vengeful Sleepy Chan, who blames the Suns for ruining his life. Charles and Bruce must form an uneasy partnership, combining Charles's deadly martial arts expertise with Bruce’s quick-witted improvisation. They rescue Eileen, but the betrayal runs deeper than anticipated. It is revealed that Grace is actually the mastermind behind the Boxers, seeking to unite the triads under her own blood-soaked banner to monopolize the Asian-American drug trade.In the explosive climax, the Sun family reunites to defend their turf. Eileen proves to be the deadliest tactician of all, executing a clever psychological and physical trap that dismantles Grace's organization. However, the victory is short-lived. Big Sun wakes from his coma, demanding a return to the old ways of absolute patriarchal control. Refusing to submit to his tyranny, Eileen poisons Big Sun, choosing to take total control of the Sun family syndicate herself rather than let the
cycle of violence continue under him.With the family empire now resting in her hands, Eileen decides to return to Taiwan to consolidate power. Charles chooses to stay in Los Angeles to forge his own identity outside of the triad, while Bruce finally embraces his dual nature, using his knack for performance to help secure his family's future, forever changed by the revelation of his true bloodline.