Jessie Alden thinks her days of solving mysteries are over. With her new role at the student newspaper, as well as classes, friends, and boys, there's a lot to keep up with. And Jessie always likes to be prepared. But when a new boy at school comes to her with information about strange things taking place at his parent's business, and she also finds out the club she's writing her first feature on seems to know something about it, Jessie realizes her story is much bigger than she thought—and she can't help but get to the bottom of it.

When an embarrassing message between Charla and Daniel goes out to the whole class, Jessie finds herself stuck between her feuding best friends. As she helps Charla investigate how this happened, they find that someone has been tampering with Charla's lawyer mom's computer, and it could spell trouble for her mom's legal case. In order to keep the culprit from walking free, Jessie and Charla need Daniel's help. But when some messages go out, they're hard to take back.