Thailand's pristine Ko Phi Phi island attracts tourists from around the world.

There, struggling to make ends meet, small-resort owners Lek and Sarai are happy to give an American named Patch room and board in exchange for his help. But when Patch's brother, Ryan, arrives, accompanied by his girlfriend, Brooke, Lek learns that Patch is running from the law, and his presence puts Lek's family at risk. Meanwhile, Brooke begins to doubt her love for Ryan while her feelings for Patch blossom.

In a landscape where nature's bounty seems endless, these two families are swept up in an approaching cataclysm that will require all their strength of heart and soul to survive...