Twins Flynn and Ivy Knox end up being sent to Locke-Smith Academy after being involved in a mystery. The high security school caters to the children of the rich and famous, designed to keep them safe from any threats that might come from their families' wealth. However, an unknown figure has been spotted around the school, landing a mystery right on their doorstep.

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Flynn and Ivy are determined to find how is behind it with the help of their new found friends, uncovering all the secrets of the school along the way.