Mr. Drew has Nancy help him track down a missing heiress and Nancy, Bess and George stumble upon a mysterious moss-covered mansion. They later hear that someone was murdered near the mansion and they repeatedly hear strange noises coming from inside the mansion.

Big trouble is brewing for Theodore Boone. While all of Strattenburg anxiously awaits the new trial of infamous murder suspect Pete Duffy, problems arise for their own kid lawyer. There's been a robbery and Theo is the accused. His reputation is on the line, and with the evidence building against him and dangerous threats looming, Theo will do whatever it takes to prove his innocence even if it means breaking a few rules.

Carey and Amelia have been best friends forever. Then Amelia starts being trolled by SweetFreak, a mysterious and hateful online account, and Carey is accused of being behind the vicious comments and threats. Shut out by her other friends and shunned by Amelia, Carey is determined to clear her name and find out who's really sending the messages. But as the online attacks spill over into real life, events start spiralling out of control ... Can Carey...