Eighteen-year-old American, Wren, is stranded in England when news of an impending world-ending comet causes global chaos, but when she meets a runaway prince with an agenda of his own, she realizes he might be her only chance of getting home in time to say goodbye.

"Seventeen-year-old Gemma's favorite kind of beach is an empty one. Social interactions are too much for her to handle. She always says the wrong thing--if she manages to say anything at all. She can't even bring herself to speak to her longtime crush, Beau Booker, without losing sleep over her own awkwardness. During a solo outing to her favorite beach, Gemma realizes--to her horror--that the popular kids from school have shown up to throw a party....