Kaizi Hirogome, a famous detective of Japan set a tour to a foreign land to solve a 1-year-old case in just a week. Upon his stay, he was forced to save a woman from being assassinated on a ball. Turning out, that she'll be the one to give him all the answers. Who can she be? Twists and turns unraveled more than what he had expected, revealing this barren foreign land's unimaginable secrets. Together, will they solve it all without strings attached?