The Escape Game by Marissa Meyer and Tamara Moss

Sierra joins a deadly televised escape room to solve her sister's murder and catch the killer hiding among the cast. 

 

This book contains: alcohol, deception, drugging, greed, fame-obsessed environment, murder, predatory behavior (implied), profanity, sexual activities (not explicit/minor), suicide (referenced/implied), toxic family enviornments, and violence.