Early 1942, just months after Pearl Harbor, a police detective knocks on Britt Reid's door. He's looking for Kato. There's been a murder in the small Korean section of town and they want Kato's help with the locals.

Arriving on the murder crime scene, they piece together the crime until they find a single Japanese character written in blood: 'coward'. From the pages of Matt Wagner's Green Hornet: Year One comes this thrilling spin-off series starring Kato!