Ever since a childhood traffic accident, he has been able to see mysterious percentages floating above people’s heads. Men and family members usually show numbers close to zero, while adult women’s figures vary wildly, but he never understands what they mean until now: they reveal his chance of sleeping with each woman. Since the numbers rise and fall in surprising situations, he learns to exploit every change, approach at the perfect moment, and turn himself into a prolific player without missing another opportunity.