The first animated version of "Siamese Cat," a classic work by famous Monkey Punch.

The government secretly organizes a counter-terrorism eradication unit under the Cabinet Research Office to combat the frequent terrorist crimes in Tokyo in the early 21st century.

Jun and Naomi, who work as DJs for a popular radio show, team up under the code name "Siamese Cats" to gather information and calm down incidents more quickly than the police or military.