Mr. Conductor's supply of magic gold dust, which allows him to travel between Shining Time and Thomas's island, is critically low. Unfortunately, he doesn't know how to get more. Meanwhile, Thomas is fending off attacks by the nasty diesel engines. Getting more gold dust will require help from Mr. C's slacker cousin, his new friend Lily and her morose grandfather, plus the secret engine.

Matilda Wormwood is an exquisite and intelligent little girl. Unfortunately, her parents, Harry and Zinnia misunderstand her because they think she is so different. As time passes, she finally starts school and has a kind teacher, loyal friends, and a sadistic headmistress. As she gets fed up with the constant cruelty, she begins to realize that she has a gift of telekinetic powers. After some days of practice, she suddenly turns the tables to stand up to Harry and Zinnia and outwit the headmistress.

Loving but irresponsible dad Daniel Hillard, estranged from his exasperated spouse, is crushed by a court order allowing only weekly visits with his kids. When Daniel learns his ex needs a housekeeper, he gets the job -- disguised as a British nanny. Soon he becomes not only his children's best pal but the kind of parent he should have been from the start.