At a companywide meeting, Bunsaku Akiba sees Toshie, an old girlfriend who is now the secretary and lover of Nishijima, the chairman who has control over the entire group. Although Akiba is married, the love affair between him and Toshie flares up again. Akiba uses Toshie to approach the chairman, but as Toshie gets more possessive of him, Akiba starts to have murderous thoughts.

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