The Human Error

Its been seven years since Mary's passing, and the Baker Street boys are 7 years into raising Rosie; the witty, blonde, rebel known to all across London as the face of mischeif.
However, trialing as it may, John and Sherlock have grown to love their new life as parental figures and adore their little girl and friend.
With all this newfound love shared for this little girl, will their new roles in Rosies life cause the boys friendship to evolve into something more?