Tantei Jinguuji Saburou DS: Akai Chou is the fourth installment in the Tantei Jinguuji Saburou series for Nintendo DS. Set against a backdrop of political turmoil, the game follows detective Saburo Jinguuji as he investigates a series of bombings linked to a mysterious figure known as Red Butterfly, whose identity he must uncover to prevent further attacks on lawmakers.
The 4th entry in the Tantei Jinguuji Saburo franchise that revolves around a series of political bombings that occurred 20 years ago and current bombings that are targeting lawmakers. Saburo is charged with the task of uncovering the identify of the terrorist responsible for the bombings named `Red Butterfly`!