Three women. Three blazing stories of violent resistance. Three complicated paths to justice.

Brittany Smith, a young Alabama woman, killed a man she said raped her in her home, but was denied a self-defense claim. Angoori Dahariya led a gang in Uttar Pradesh, India, dedicated to avenging victims of domestic abuse. Cicek Mustafa Zibo fought in a thousands-strong all-female militia that battled ISIS in Syria.

Each woman has been criticised for their actions by those who believe that violence is never the answer; yet each has transmuted a story of pain into a...