Before leaving, Sherlock did Molly a favor. But now he's back, as is Moriarty, and has to deal with what he thought he left behind, and the new emotions that come with it. May change rating later. Pregnant!Molly and eventual Daddy!Lock.

In retaliation to a comment made by her fiancé Sherlock Holmes, Molly Hooper puts forth a challenge to the consulting detective in question: neither of them can touch the other for an entire week. The first one to press flesh to flesh loses. It soon escalates.