Kei returns to her hometown due to her husband's transfer. However, the rival from her past love life, Yuu Kazama, who she once competed with over a man, is working at the hospital where Kei has been assigned. Both are married and try to get along, but everything starts to go awry with the appearance of one man. The two women, twisted by jealousy, begin to seduce each other's husbands and steal them away…!
