Shino Sakuragi is an office lady. She attends a wine party recommended by her boss, even though she isn't comfortable at such a fancy get together. There, Shino meets Kazushi Oda. He is knowledgeable about wine and he doesn't show off his success as a businessman. She becomes attracted to him, but Kazushi gets arrested for accounting fraud later. Shino is confused by the situation, but she keeps attending the wine parties and becomes hooked on wine.