Sequel to S&TW. Sherlock and Irene are back at Baker St. As they cross paths with a mysterious enemy; London and the people closest to the detective are in danger. The couple struggle with their relationship as they work to solve the case before all is destroyed. Disaster strikes and dark secrets are revealed on their perilous journey. Can there be a happy end? (Post-3x03)

AU. The first time that Sherlock Holmes and Irene Adler met wasn't in a sunlit sitting room in Belgravia. She was the only woman who ever mattered, because she was the first woman. Slight M.