Fire in my pants

Plot: Gregory has developed separate bonds with four married women, the atheophobe. They all love him and declare to him, each in their own way, that if he leaves them, "snake stump that ate him". Until one morning the husband appears, a husband like all cuckolded husbands and tells Grigoris that tonight he must divorce his wife. She threatens him that if he doesn't break up she will empty the gun on him and leaves. But whose wife is she? Come on, she can't describe him to any of his four mistresses because he could simply be the man of one of the other three...