Shua and Mimi Berkman are relaxing in their mansion in Mexico City when they are told the tragic news that their parents have died in an accident. They are whisked off to live with their Great-Aunt Gertie. Amidst their shock and grief they notice strange things happening. Their suspicions mount.

Have their parents really been killed? Do they actually have an Aunt Gertie?

And have they been adopted by her? Or kidnapped?

Kids of all ages will love this fast-paced, harrowing thriller as the Berkman kids try desperately to escape and outsmart their cruel oppressors.