In the dollhouse, Spencer tells the girls about “Charles”. The girls are brought to a basement and assigned their duties for organizing the prom. Aria, who is responsible for the music, notices that all the songs available are from about 7 years ago. Spencer realizes that the theme for the prom “A Night at the Opera” is the same as that of Melissa and Ian’s prom 7 years ago. Mona continues to act like Alison and brags that she’ll definitely win prom queen. She asks the girls to help her fill out the ballots and the girls, taking the hint, agree. The girls crowd around Mona and Mona scrawls on a ballot, asking them whether they received gas masks from ‘A’ too but the girls reply that they didn’t. Hanna writes down on another ballot that she’s scared.
Toby is back at his apartment along with Ezra and Caleb. Veronica and Peter show up and tell them that they know about ‘A’.
Spencer snaps that she can’t decorate for her senior prom with construction paper and tape. Suddenly, Spencer has an epiphany and comes up with a plan to escape. She starts describing to the girls, a way to decorate the room and gives ‘A’ a list of supplies. Mona catches on to Spencer’s plan and adds on to the list.
“A” has always had fun playing with Aria, Emily, Hanna and Spencer, but now “they” have the biggest game to date in store for the girls. As shocking secrets come to light and the biggest clue to the “A” mystery is revealed, is this one plAydate the Liars can survive? It’s the beginning of all the answers with the biggest clue to the “A” reveal ever in the explosive season finale. #PLL #PrettyLittleLiars #BigAReveal
