Social media, smoke bombs, and a secret society. When a popular jock senses something's up with his younger sister, he turns to local teen sleuths, Hannah and Tamar, for help. At the same time, a rash of smoke bombs attacks across Rosedale has the community on edge. Are these events connected and could someone at Rosedale High be involved? Join Hannah and Tamar as they uncover malicious mischief and forge new friendships in this mystery for teens and young adults.