Dead awkward.

All Kerry wants to do is stay at home with her rom-coms and strict retainer schedule. Instead, her BFF Annie has roped her into going to their first sixth-form party to investigate whos cyberbullying Heather, the most popular girl in .

On the cusp of kissing her dreamy crush, Scott, Kerry discovers the body of Heather’s second in command suffocated with a menstrual cup. Within days, another student turns up dead, this time with a sanitary pad across the eyes. Now Annie and Kerry are officially on the case to stop the menstrual murderer . . . period.