It’s 1558, and warlords across Japan are battling for territory and control. Into this setting, Tanya Lloyd Kyi weaves the stories of three people: Mochizuki Chiyome, a young woman determined to become a ninja whose plans are thwarted by an arranged marriage; Takeda Shingen (The Tiger), a fierce warlord seeking a new weapon to outsmart his enemies; and Aki, an orphaned tavern girl whose destiny is changed by a mysterious woman. As their stories intersect, the three characters become key players in an elaborate network of undercover female ninjas who will eventually shift the balance of power in Japan. Based on the true story of Mochizuki Chiyome and her all-female spy network.