Revelations are in store for those who are waiting for 'Pretty Little Liars' Season 4 Episode 15. In such episode, Spencer, Hanna, Aria, and Emily are still unstoppable in their search for A and Ali.

In 'Pretty Little Liars' Season 4 Episode 15 entitled "Love ShAck Baby", it will be revealed what's stopping Ali from completely showing herself to her friends. While she is alive, she is still hiding in the town.

In the summer finale episode, Hanna possibly stole Ali's diary from the lair of A. Will she finally open up about her deed? What information will the diary yield?

The diary will feature several stories about each girl. According to Wetpaint, the stories are "more personal" than the previous ones. It is yet unknown whether such stories will ruin the girls' friendship. The resident Liars will go to the Hastings' lake house wherein they will find out something.
Toby and Spencer will likewise have a scene in 'Pretty Little Liars' Season 4 Episode 15. Hanna will also have a heart wrenching revelation that will move the viewers. 'Pretty Little Liars' writer Lijah Barasz says that the upcoming episode will be a "crazy episode".

Will Ali finally come out and expose who's behind all the mysterious occurrences?