The apocalypse has taken over the earth. Ally has been on her own ever since and she's falling tired of losing people. But she meets a young girl who's lost and Ally helps return her to her mom. There she meets a new group of people and a very mysterious man called Austin. Will his coldness put her off or will Ally be able to see through all that and learn to like the real him.

Ally Dawson is a choir teacher at Mariano High School, which is in desperate need of more police officers. Soon Austin Moon or know as Officer Moon shows up and meets Ally in an interesting situation and they soon end up working near and sometimes together. Will they become friends? Will sparks fly an will they possibly become more? Or will they stay work colleagues?