Yuugo Beppu is a master negotiator and mediator. His fluency in five languages, Socratic wit, and profound grasp of human nature, bolstered by high-level international connections, make him a formidable operator. When Dacoit bandits in Pakistan seize a woman's father, Mayuko turns to Yuugo for assistance. Following complex and perilous negotiations, he secures the man's release. In the wake of this success, Yuugo is summoned to handle matters involving the yakuza in Japan, triads in Hong Kong, the IRA in Northern Ireland, and the Russian Ministry of Internal Affairs in Siberia.