Üç aile Temmuz'un 4. haftasonu tatillerini geçirmek için  bir beldeye gelirler. Filmde  bu üç çılgın aile kamp yeri için yarışmaktadır.

Çılgın Aileler

Siren has lived her life thinking she's an ordinary girl, in an ordinary town. On her 12th birthday, she learns that she's far from ordinary.

Scales: Mermaids Are Real

When their trip to San Lorenzo takes a turn for the worst, Arnold and his classmate’s only hope of getting home is retracing the dangerous path that led to Arnold's parents' disappearance.