事業を起こすため郊外へ引っ越してきた本庄夫婦。家計の足しにという思いから妻の鈴は配送業者のアルバイトに応募。年配のベテランドライバー小沢に手取り足取り教わるも、過激なセクハラの末ついにおそわれてしまう…。だが小沢の妻と鈴の夫との不倫が発覚し、2人は互いに心の穴を埋めるべく肉欲におぼれていく…。

The Honjo couple moved to the suburbs to start a business. To supplement their household income, the wife, Suzu, applied for a part-time job at a delivery company. She was taught everything by the elderly veteran driver, Ozawa, but after a series of extreme sexual harassment incidents, she was eventually assaulted… However, when an affair between Ozawa's wife and Suzu's husband is discovered, the two women succumb to carnal desires in an attempt to fill the void in their hearts…