A married woman named Meguri, who lives in her husband's family home and has been betrayed numerous times, growing increasingly distrustful. Her brother-in-law, struggling with both his career and personal life, returns to the family home for a brief stay. One night, he witnesses his younger brother and sister-in-law's intimate activities. The oppressive summer heat makes Meguri's glistening, ripe breasts dazzlingly vivid, causing her brother-in-law to lose all reason…
