Deep beneath the ocean, stretching hundreds of miles alongside the Pacific Northwest coastline, lies the Cascadia subduction zone—a fault on the verge of unleashing a catastrophic earthquake, thirty times more powerful than the San Andreas. Unfortunately, like most tourists, Elena Cordova is oblivious.She's got her own pent-up stress to deal with, a humiliating breakup that's driven her to end her tenure as a human doormat once and for all. So, when a pickpocket makes off with the last remnant of her relationship, she takes action—only to get trapped with him when disaster strikes.Now, if either one hopes to survive, they'll have to get past their initial impressions and work together... because in fifteen minutes, half the town will be underwater.