Its been a year since the torturous notes from A stopped and the mystery of Alison DiLaurentiss disappearance was finally put to rest. Now seniors in high school, Aria, Spencer, Hanna, and Emily are older, but theyre not any wiser. The pretty little liars have more secrets than evertwisted secrets that could destroy the perfect lives theyve worked so hard to rebuild.Arias jealous of her boyfriends new exchange student. Spencers getting a little too cozy with her soon-to-be-stepbrother. Hannas one scandalous photo away from ruining her dads Senate campaign. And Emily will do anything to get a swim scholarship.Worst of all: Last spring break in Jamaica, they did something unforgivable. The girls are desperate to forget that fateful night, but they should know better than anyone that all secrets wash ashore . . . eventually.