Ninja in the Dragon’s Den

Genbu goes on a bloody spree in Tokugawa-era Japan, killing samurai and high officials. His ruthless acts leave his own clan to bear the blame for the carnage. He and his wife Akane then flee by sea to China to escape reprisal and to seek the man responsible for his father's death.

Genbu and Akane arrive in China, continuing his vow to pursue revenge and to locate the last man who holds Genbu's father responsible for his death. The journey marks a shift from clan politics to personal vendetta in a foreign land. The mission also foreshadows the meeting with Fukusa and Sun Jing.

In China, Fukusa lives quietly as a mirror maker under the alias Uncle Fu. He mentors Sun Jing, a brash martial artist eager to prove himself through constant sparring. Chee, Jing's lecherous servant, adds comic and rogue elements to their group.

When Fu is attacked, Jing rushes to defend his surrogate father and confronts the ninja Genbu. After several clashes, Jing learns that Genbu and he are evenly matched, hinting at a complex bond rather than simple rivalry. The two warriors begin to recognize a potential, uneasy alliance.

It is revealed that Genbu's father died as a hero in a rebellion years earlier, not killed by Genbu's clan. This revelation reframes Genbu's revenge and softens Fu's guilt about fleeing to China. Ashamed of his own cowardice, Fu chooses to make peace with Genbu.

Before their final confrontation, Fu takes poison to end his life with honor and requests Genbu to kill him to spare his remaining agony. This act triggers a misunderstanding between Genbu and Jing, complicating their fragile alliance. The scene deepens the tension as their quest nears its climactic clash.

The death wish and the ensuing misinterpretation strain Genbu and Jing, pushing them toward a grueling test of trust. They must look past personal grievances to fight for a larger purpose. The tension culminates in a critical turning point as they prepare to face a common foe.

Genbu and Jing clash on the top of Jing's family temple, trading blows as their mutual respect grows. After a number of exchanges, they settle their differences and vow to stand together against a greater threat. Their reconciliation solidifies their partnership.

They discover they must face The Magician, a spiritual boxer whose power tests both of them. The personal stakes deepen when Jing had previously insulted the Magician's son, turning the duel into a matter of honor and pride. Akane and Chee become entangled in the mounting conflict.

Genbu and Jing join forces to kill The Magician in a decisive showdown. Their cooperation and growing trust are put to the test as mystical and martial dangers surge around them. The Magician's fall marks the culmination of their shared journey.

The victory scene includes Chee claiming most of the credit, prompting Genbu and Jing to teach him a hard, quiet lesson. Akane and Chee's unwitting assistance had helped seal the win, though not in the way Chee expects. The moment underscores the film's theme that true achievement comes from teamwork, not ego.