The magical Ms. Wiz helps Jack when he goes to the hospital to have an operation, but the doctors become suspicious when her stethoscope plays disco music, Jack's appendix escapes from its jar, and the children's ward is overrun by mice.
Spurred on by his best friend, twelve-year-old Thomas uncovers two major family secrets: that he was adopted, and that his perfect-seeming family is part of an other-worldly organization.
