After telling her Grandma all about her adventures in England, Maddie attends the family get together. Maddie and Nathan reach a place of some understanding for each other.

The race is on to save the Green Man. Maddie, Arrow, Emily, and Noah race back to the White Cliffs to try to get there on time. All appears lost until a new visitor comes to their aid.

The trio heads to the Isle of Wight, led by Arrow. The first thing they see are some huge chalk stones rising from the water. Maddie gets over her disappointment quickly when they receive a clue from a surprise visitor.

Maddie and Arrow follow the star path to meet Emily and Noah at Stonehenge. Maddie is disappointed to find out that Stonehenge is really a circle of rocks. While there, they are helped by King Arthur, who tells them a few more details to help them in their quest.

Arrow treats the trio to a tour of some of the more famous sights in London. Maddie gets to learn a little bit more about each of the twins so that she can begin to understand them.

Maddie helps Grandma at the bookstore and then helps out with the little cousins during preparations for the big anniversary party. She gets some idea of why Nathan might act the way that he does.

Robin Hood and Maid Marian show up at the Tower of London to help the trio get started on the first part of their quest. Maid Marian shows Nathan that girls can protect themselves too. A search of the White Tower ensues.

Noah, Emily, and Maddie talk to the Green Man in the tree. He tells them about how he is in trouble and needs them to do him a favour. After some convincing, even Noah agrees to help, and they hear about their quest.

Arrow and Maddie set out on the star path and head straight for the Tree of Life. She talks to Autumn, who tells her that she is going on another quest. Then Maddie and Arrow meet a new couple of friends on the White Cliffs of Dover.

Maddie has a problem with her cousin Nathan. She discusses it with her mother, who tells her that she has to find a solution. Then she gets to spend the evening with her Grandma, hearing magical stories about England.