After falling from the water tank stand, Nicholas injures his arm. Not being able to find the girls in the house, he goes into the school room. While in there he finds Jo's encyclopedia which tells of what really happened to his family. It is at this point we find out that he was the son of Tsar Nicholas II, Alexi Romanov. Jade is again given instructions and Old Nicholas says that if she follows them exactly, she'll never see Jo again. (thetvdb.com)