"Shizuka, your shooting skills have improved a lot."
"It's all thanks to Wakana-san's guidance... Wakana-san, are you going undercover for that case afterwards?"
"Yes, I'll be infiltrating as the secretary to the company president suspected of the serial female abductions... It's going to get busy."

Shizuka and Wakana are special investigators who have been partners for three years.
However, contact with Wakana, who was on a solo undercover mission, suddenly cuts off...
Shizuka rushes to rescue her, but...