"Pretty Little Liars" fans, are you set to unveil some secrets? Spencer, Aria, Hanna and Emily are looking for answers. They are looking for answers in the mystery of "A" and Ali.

Ali is alive and hiding somewhere in the town, and the Liars will have to find a way to know what is holding her back in "Love ShAck Baby" episode of "Pretty Little Liars" season 4. The synopsis of this episode points out that Hanna finally came clean in the winter premiere episode. Hanna was suspected to swipe Ali's diary from "A's" lair in the summer finale episode.

In "Pretty Little Liars" season 4 episode 15, "Love ShAck Baby," "the girls hope it can shed light on their many questions." What questions are there on their minds at the moment?

"With the diary full of stories that have been coded to cover the truth, each girl must take a turn to figure out which stories are about them." It will be hard to imagine for the girls to give away the details that they have been hiding from each other. Wetpaint reported that each story is "more personal than the last" and they don't wish to admit which story is about which person.

Meanwhile, Spencer is suspicious of his father's latest talks with DiLaurentis.

The episode will feature a scene between Toby and Spencer. Also, the girl's will be taking a road trip to the lake house of Hastings. It is likely that they will be stranded there. The promo of "Who's in the Box?" episode is a mixed promo, and it has scenes from "Love ShAck Baby" as well. Travis and Alison are featured in this episode.

Lijah Barasz tweeted that this is episode is going to be "crazy."

"Last day of shooting Ep. 415 of #PLL with @norbuck and our fantastic cast and crew. I'm a lucky ducky. Gonna be a crAzy episode!" tweeted Lijah. Also, Hanna will make the fans cry in this installment.