What started out as a relaxing summer day by the pool for a group of high maintenance young socialites quickly becomes a nightmare when an unknown killer begins stalking and murdering them one by one.

Tromaville’s local celebrity murderess, Dolly Deadly, is a shoo-in to win Serial Killer of the Year. Unfortunately, Slasharella has designs on the title and will stoop to the lowest of lows to take the crown. The two will drag Tromaville out and turn it upside down in their fight to the death, decimating the fictional city’s population all along the way.

Everyone in Lili's family has cheated on someone. Her mom, her boyfriend, and even herself. The Fabiens remain blissfully ignorant until all secrets are revealed during a chaotic summer vacation.