It's bad to leave your spouse alone in a disaster.
Billy and Lia are preparing for a possible tsunami.
Billy wants to stay as safe as possible.
Billy helps Lia pack quickly, and they both exit the area in their car.
Billy feels like Lia is going too slowly and drives away in the car without her.
Billy and Lia evacuate the area and are safe from harm.
Lia is trapped in the house during the tsunami and suffers terrible injuries, blaming Billy and considering him a coward.