Grace Bouvier often finds herself in all kinds of trouble, purposely doing everthing she can for her workaholic mother to notice her. But when she accidentally stumbles across a murder at a party, she knows she needs to keep a low profile if she wants to stay alive. With threatening messages from the killer, Grace is afraid to come forward and tell her mother what is going on, as her mother works on the case. Grace knows she isn't allow to discuss cases with her mum, but she is curious with what her mother is looking into. With the help of her friends and the new guy Kaine Connors, Grace is determine to catch the killer. But when everything gets too dangerous, Grace knows she is running out of time to figure out who the killer is, and knows she can't trust anyone.