When Hikari moved in with her husband's family after his father passed away, she struggled to adjust to the large house. To make herself feel more at home, she hired a gardener recommended by her late father-in-law. As the gardener visited regularly, he caught Hikari cheating on her husband with their driver. Intrigued by this discovery, the gardener secretly took photos and began fantasizing about using them as leverage...

義父の死をキッカケに、夫の実家に住むことになった穂波。広すぎる家になかなか慣れない中、荒れ放題だった庭を整えるため、かつて義父が頼んでいた庭師を呼ぶことに。庭師は快く引き受けてくれ、定期的に家を訪ねてくるようになった。しかし、穂波が夫の運転手と浮気している現場を目撃してしまった庭師は、こっそり写真を撮ると「これはいい脅し材料が出来たぞ」と邪欲を募らせ始める…。