Sena Morgan has just begun the voyage of a lifetime—a cruise to Alaska—but she’ll never reach her destination. A mysterious pulse disables all electronics and communications, and starts a fire onboard. Sena is stranded in the cold, northern Pacific along with handsome, bad boy Kade, and fun-loving Danny. One of them hides a secret and the other will betray her.

As food and water dwindle, strangers with a deadly secret are brought aboard the ship. Sena’s only hope of survival is to get as far from them as possible, but at sea there’s nowhere to run. In a brutal, post-apocalyptic world, can Sena and her friends escape before all is lost?