It's Mona's party and anyone who's anyone is going – even "A". The gang set a trap, but the night is full of secrets – and it turns out, no one is safe.

The Liars are trapped at school as a tsunami brews and tensions run high. Meanwhile, Ema struggles to escape the shackles of her past…

Last-minute preparations for Alissa's memorial are derailed when her brother, Jason, arrives back in Amerta with a shocking secret to tell.

Recovering from the aftermath of Unplugged, the girls become convinced they have finally uncovered the identity of the mysterious "A".

Amerta Unplugged is a time for charity and for making memories, but for four pretty little liars, disturbing secrets threaten to ruin a perfect night…

Their attempts to ignore "A" have backfired and now Hanna, Sabrina, Aria and Ema must pay the price. Boy trouble is on the horizon…

As the Liars take matters into their own hands, blocking all unknown users from contacting them, they soon discover that "A" has other ways of getting under their skin…

Old and new relationships are tested when the girls set out to pay tribute to Alissa's memory. But with "A" taunting them every step of the way, can the girls ever leave the past behind?

With the return of Jihan Diranata to Amerta, the girls must face an unpleasant incident from their past. Meanwhile, difficult questions arise about Alissa's death… 

One year after the mysterious disappearance of Alissa Gabriela, her friends believe their secrets are safe forever. But the truth may be only one SMS away…