When strange things begin appearing on the school computers, the Koots set out to find the hackers.
Ty and Gabe hear yelling and screaming and someone very bad laughing in apartment A-13.
The Koots decide to spy on Mr. Dodge to find the answers to unexplained questions about his blindness, state of health, and family situation.
The boys investigate a new neighbor whom they think has a secret about the past and in doing so learn about Ben Franklin.
The members of the Kooties Club try to figure out who is leaving the "I Love Elvis" signs throughout the neighborhood.