To Steal From an Assasin

Nika wasn't just an average thief - she was one of the best in the Guild. However, when she misjudges a mark and accidentally steals from the Grand Master himself, Nika finds herself suddenly recruited into the Order. Will she be able to help Ezio during his grand mission, or will she fail both him and La Volpe and wind up just another dead body at the bottom of a well? -Rewritten.