BLUE EYE SAMURAI - Ending Explained

"BLUE EYE SAMURAI"'s first season follows Mizu's hunt for her four potential fathers, a quest that is far from straightforward. She successfully kills the first, Violet, before the series begins, and tracks her second target's gun-runner, Heiji Shindo, to the city. This leads to her confrontation with Taigen, whose honor she destroys, setting him on her trail. Her journey leads her to the fortress of the villainous Irish trader, Abijah Fowler (voiced by Kenneth Branagh), one of the four white men.

The major twist in Mizu's backstory is revealed in Episode 5: she was once married to a disgraced samurai named Mikio. For a time, she abandoned her quest and found genuine happiness, but when she revealed her martial skill, her husband felt emasculated, called her a monster, and betrayed her to bounty hunters. Her mother was killed in the ensuing conflict, and Mizu killed Mikio, cementing her belief that she is destined to be alone and that her path is one of pure vengeance.

In the finale, Fowler launches a coup against the Shogun, using advanced firearms to seize Edo Castle. Akemi, now married into the Shogun's family, uses the chaos to secure her own power, taking control of her ailing father's resources. Taigen, freed from Fowler's prison, attempts to save Akemi but is rejected by her in favor of her new ambition. Mizu infiltrates the castle and, in a climactic battle, defeats Fowler. However, just as she is about to kill him, he reveals that the remaining two white men are in London and he can lead her to them. Mizu spares him, choosing to continue her quest. The final shot shows her on a boat with a captive Fowler, sailing away from Japan and toward London, fundamentally expanding the scope of the series.

One alternative interpretation focuses on Mizu's journey not as a literal quest for revenge, but as an allegory for self-acceptance. In this reading, the 'four white men' are not just external targets but symbolic representations of the 'foreign' part of herself that she despises. Her mission to destroy them is a mission to destroy the part of her own identity she has been taught to hate. Her eventual journey to London, a 'white' land, could then be interpreted as a necessary step to confront the source of this self-hatred directly, rather than just its symptoms in Japan.

Another perspective critically examines the show's depiction of gender. While on the surface it presents empowered female characters, some might argue they only achieve agency by adopting masculine traits (Mizu) or manipulating a patriarchal system rather than dismantling it (Akemi). This view suggests the series, while celebrating their strength, also reinforces the idea that female power must operate within or mimic male-defined structures. Mizu's rejection of domesticity and love in Episode 5 can be seen as either a tragic necessity for her quest or a critique of how exceptional women are often forced to choose between personal fulfillment and their 'greater' purpose.