Determined to get college tuition money without the help of others, Hanna pushes forward with her quest to win the local beauty pageant and hires a pageant coach to ensure her win. Quickly learning that you have to be more than a pretty face to win the grand prize, Hanna turns to Emily for help. Also needing a little help, Aria asks Andrew to help keep tabs on Mike, whose increasingly suspicious behavior suggests a chilling connection to Mona's death. What Aria ultimately discovers makes her blood run cold.
Meanwhile, Spencer decides to help Jonny on a less than legal adventure.
Never trust a pretty girl with an ugly secret. Gossip thrives amid the Mercedes-Benz, mega mansions, and perfectly manicured hedges in the exclusive town of Rosewood, Pennsylvania. Everyone has something to hide. Based off the book series of the same name, the series follows four estranged best friends Spencer, Hanna, Aria, and Emily who are reunited after their best friend and queen bee of the group, Alison, goes missing only to discover they are receiving messages from an anonymous "A" who knows all their secrets.