How to lime a mistress in 7 days

Anya is a mother of many children. Yana is a staunch childfree. They have diametrically opposed ideas about happiness, but the same - about friendship. They, together with the kindergarten, do not imagine life one without the other and have long resigned themselves to the fact that in family matters they will never understand each other. The status quo lasts thirty years ... until this story begins.