What happened in Killer( Pretty Little Liars Series)?

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Spencer: Met her bio-mum but then when she went back to look for her, couldn't find any trace of her. The real estate agent who's name her mum gave to her stole all her college money.

Hanna: Dated Mike to get at Kate but it turned out that Kate only pretended to be interested in Mike to see how far Hanna would go. Hanna also found a piece of this year's flag and decorated it with the same design Ali said she decorated hers with.

Aria: Met up with Jason but when she asked him to a party which was being thrown at Radley (an ex mental hospital) he freaked out. Moves into new house nearer to the woods and Ian's house.

Emily: Did it with Isaac, split up with Isaac because his mum knew about them having sex. She found a book with Radley's patients; Jason checked in ALOT.

Jason: Him and Darren were friends, they wanted to get back at Ian for something. He was seen screaming at Jenna. He also had longer hair when Ali went missing - Spencer remembered it was actually him who she saw in the woods.

Darren: Acting suspicious throughout the book, Hanna saw him loading propane in his car.

Ian: Isn't dead, and to prove it he tells Spencer his middle name: "Elizabeth!!". He then names Jason and Wilden as being responsible.

Jenna: Acts very suspicious throughout, and has a guilty look on her face often.

At the end of the book, Emily, Aria and Hanna are sent a text by A luring them to Spencers barn. Aria goes to get the piece of the Flag Jason gave to her. Emily, Spencer and Hanna then smell gasoline and as Aria is coming through the woods and sees someone pouring gasoline onto the floor of the woods and hears them lighting a match, she runs but hears someone shrieking.

She saves them and brings this person to Spencer, Hanna and Emily.

Apparently, this person received a note to go into the woods.

This person is... Ali.

Can you believe it!!!!

Well in a nutshell, (first off, Ian isn't actually dead...or is he? But his middle name is apparently Elizabeth lol)

Aria: Byron and Meredith move onto Ian's old street. She hooks up with Jason. Ella and Xavier hold an art party. Looks through Jason's old senior yearbook and finds out that Darren made a deal with Jason. She also admits she stole the flag piece from Ali because Jason gave it to her.

Hanna: She and Kate get into this discussion about who Mike would go out with first. After Hanna won, Kate tells her that she was trying to show how desperate Hanna was. She finds out that Jason visited a mental hospital 8 years ago. Then, in Darren's car she saw a familiar sticker in his car which he nervously threw in the backseat. (it was the same one on Ali's car so they thought he was stalking her.)

Spencer: She meets up with Olivia, her supposed bio-mom in New York. Is convinced that her family hates her because they sold her car. Calls up Olivia's realtor and bought an apartment. But they were a scam and stole every penny in Spencer's account. She talks to Ian over IM and finds out that Jason and Darren had something to do with Ali's disappearance.

Emily: Isaac's mom develops a really deep hatred for emily because she knows that Emily did it with Isaac. That's basically all that happens to her.

In the end, they all go back to Hastings Barn to tell Spencer everything as usual, then the barn goes on fire and they all see Ali come back to life.

****************SPOILER ALERT******!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

well alot happens!!! but the main huge things are that Ian who is supposedly dead, his body goes missing and then Spencer gets a IM from him (but he thinks its melissa since spencer is using her computer) so now the girls think Ian is alive but also kinda think it could be A fooling them... and Jason Dilaurentis appears in this book and there are alot weird things that happen with him. and Ian also tells Spencer that he knows who had something to do with the Murder... Jason and Darren Wilden... but then something Major happens in the end... Aria is almost killed in the woods and sees someone in a hoodie that is hurt so she helps he or she (she doesn't know who it is yet because she cant see there face) back to where the girls are and once all the girls see who's face it is they gasp because its.... Ali. and then the book ends.. there is a whole bunch more but those are the biggest things. Hope it helped!