Mariko Niimura, a graceful widow admired by all, finds her restrained world ignited by Minoru, a young delivery boy. Their secret encounters shimmer with forbidden desire and tender seduction, weaving a tense, intoxicating atmosphere that challenges love and temptation. When her brother intervenes, passion and confrontation clash, deepening the emotional turmoil in this captivating tale of mature allure and irresistible temptation.