Akemi embarks on a new career and Mizu searches for a way to reach Fowler, bringing them both to Madame Kaji's rather unusual establishment.

During a desperate battle, Mizu remembers another life — and a lesson she learned the hard way.

Fowler, bound for Edo, reveals the terrifying scope of his plans. Akemi braces herself for her upcoming wedding. Mizu and Taigen return home.

As an army approaches, Akemi must choose her path. While Taigen risks his life for the royal family, Mizu remains hell-bent on her mission.