A young man working at a construction site starts flirting with his junior wife while driving her home after work or during lunch breaks. He has been secretly attracted to her stylish looks and finally takes advantage of their alone time in the car to make a move. Meanwhile, another woman married to a company employee gets seduced by one of her husband's coworkers while riding along to help deliver corporate catering orders. She finds herself unable to resist his advances despite being caught off guard when he lowers the passenger seat...

【後輩の嫁さん編】土建屋で働いている男が地元の後輩の嫁さんをパートの送り迎えなどでついでに車に乗せてあげているうちに密室の車中で後輩に内緒で口説き始める。前々からヤリたいと思っていたスタイル抜群の人妻さんを車中で…。【弁当宅配編】法人向け惣菜宅配の会社でパートをしている妻は男性スタッフの運転する車に同乗して弁当の配送補助等をしていた。ある日車中で男性社員に口説かれて助手席シートを倒されてしまい…！