Three kids discover a tiny kingdom beneath their kitchen sink and are drawn inside, becoming involved with the miniature world's civil war.

Teenage Robin and his family move from Kansas City to Seattle after winning the lottery. Robin attends Locksley Academy, a wealthy private school, where he – alongside some new friends – concocts a plan to help an injured friend whose surgery money is stolen by the head of a very wealthy corporation.

Eric, a young boy, is excited about his birthday after reading a book and believes that a train will come for him, despite his sister Jill's disbelief.