A tropical singles retreat takes a terrifying turn when guests realize a poisonous shark is infesting the surrounding water. Not only will it rip apart its victims, but it also uses projectile acid to hunt - in and out of the water.

As the earth crumbles under the feet of the unsuspecting Angelenos, and a sea of hot lava is about to boil over, a geology geek and a young disaster-movie diva must avert a nightmare come true. Will the mayor act fast before it's too