15-years old Hayley Walker and Amber Johnson are an average teenagers living a high school life. One day,Hayley received a text from her dearest friend, Marie-Anne. One text making their life upside down. Rhyme Collins, the school 'Sherlock Holmes', try to investigate the case with the help of Lea Anderson. Will they suceed breaking the mysterious case and help their friends? Watch out on the adventure of Rhyme Collins and the mysterious account.