Christopher Eccleston's Doctor is wise, funny, cheeky and brave. An alien and a loner, his detached logic gives him a vital edge when the world is in danger. However, when it comes to interpersonal relationships, he can be found wanting. That's why he needs new assistant Rose. Rose is a shop-girl from the present day. From the moment they meet, the Doctor and Rose are soul mates. They understand and complement each other. As they travel together through time, encountering new adversaries, the Doctor shows her things beyond imagination. She starts out as an innocent, unfettered by worldly concerns. But she ends up an adventurer who, by the end of the series, can never go home again...