It begins by chance: Leo receives e-mails in error from an unknown woman called Emmi. Being polite he replies, and Emmi writes back. A few brief exchanges spark a mutual interest in each other, and soon Emmi and Leo are sharing their innermost secrets and desires. The erotic tension simmers; it seems only a matter of time before they will meet in person. But they keep putting off the moment - the prospect both excites and unsettles them. And Emmi is happily married. Will their feelings for each other survive the test of a real-life commitment? And if so, what then?