Paris, August: Driven by his lust, Richard O. explores the sinuous mysteries of eroticism and the women who populate the summer months.

Yin亂橫行於八月巴黎的豔陽天。女友想生小孩嚇出一身汗之後，O先生沉溺於找到理想性-伴侶，美其名曰街頭性觀念調查，十三個女郎，十三回邂逅，O先生的馬拉松ML愈跑愈勁，終至萬劫不復