Clara has abandoned the life with the Doctor, wanting to settle down and begin a new, normal life, never to be step foot in the TARDIS again.

But she gets withdrawal symptoms eventually, she soon longs for the excitement, the adrenaline, the thrill of the chase.

Sherlock is a strange, crazy man who lives such a life, and Clara can't help herself.

But she eventually gets more bargained for, she gets more then just an adventure and a multiple near death experiences.

Clara struggles with her one rule: don't fall in love.

Sherlock Holmes struggles with his code: he doesn't have friends, and certainly not girlfriends.