A School Dance... A Missing Teenage Girl... Another Mystery... Connor and Lilly are on the case again when a school friend asks for help in locating a missing girl. Marlena Thompson hasn't been seen for three days but her disappearance has not been reported to the police. What is going on? Is she really missing or is she just sick like her mother says she is? Connor and Lilly investigate and find that things just don't add up. Marlena is nowhere to be found and what, if anything, does Ringo have to do with it? Get Connor and Lilly's next adventure to find out!