The PLL's struggle to find evidence against "A" to help an imprisoned Hanna get out of jail. Meanwhile, Alison's trial is expected very soon and not only does it decide her fate, but it also unravels a lot of secrets the group has told.
Alison's trial is about to begin and the once-confident Queen Bee is not so confident about her fate, as testimony reveals not only her lies but the lies of those close to her. Meanwhile, Spencer, Aria, Emily and Caleb search for information to clear the imprisoned Hanna following a string of clues that might have been left by Mona or possibly planted by "A."