A financial mystery dramatization of a work that received the Edogawa Ranpo Award, starring Watanabe Ken. A banker challenges a horrendous crime! After borrowing large sums of money from a branch bank, Yanagiba, the president of Tokyo Silicon, commits suicide after his company goes bankrupt when the financing is cut off. Moreover, when the banker in charge of collecting the loan, Sakamoto, discovers a secret behind the incident he meets a strange death. Sakamoto's predecessor, Igi, searches for the true character behind the plot that destroyed Yanagiba's company.