In the beginning of Season 2, Spencer was adamant that Ian had killed Alison.
And she kept trying to tell her family that he had tried to kill her too!
Melissa HATED what she was saying.
She told Spencer that when they found Ian, they would move so their baby wouldn't be anywhere near her!
But later on, Melissa apologized to Spencer for what she had said.
She also told her that she didn't believe the police and asked Spencer to tell her what had happened in the church again.
Things seemed to be a bit better for the Hastings sisters, but then Spencer found Melissa's phone...
And it looked as though Ian had been texting her!
Melissa acted as though nothing had changed.
But Spencer knew that she was hiding something.
Whenever Spencer tried to find anything out, Melissa would snap at her.
She told Spencer that if she wanted to help, she shouldn't ask her about Ian.
One day, Melissa told Spencer that she had not left the house, but Spencer knew she was lying because her boots were wet.
And because she found the ultrasound photo of Melissa and Ian's baby in Melissa's rain jacket, Spencer thought that she must have left the house to meet Ian.
Later that night, Melissa got a mysterious phone call and Spencer overheard her say that she couldn't speak because Spencer was downstairs.
We had NO idea what Melissa was up to!!
At that point, Spencer was still TERRIFIED of Ian so she asked Melissa if she would protect her over him...
But Melissa just got angry and stormed out!
She said that Spencer shouldn't make her choose between her and her husband.
As things began to get more and more suspicious, the Liars decided to follow Melissa.
They saw her meet with Wren who gave her some painkillers! Spencer correctly guessed that the painkillers would be for Ian.
Not long after, Spencer snuck into Melissa's barn and searched her suitcase.
It seemed as though Melissa had packed for herself AND Ian!
So Spencer went to Wren and asked him to help her find Ian.
Wren told Melissa that he wouldn't give her any more drugs unless she let him see Ian first.
That night, the Liars watched as Melissa and Wren entered an unknown building.
And when they heard Melissa scream, they ran in too!
Inside the building, they found Ian's dead body...
And a suicide note where he had confessed to Alison's murder!
After this, Melissa was absolutely DISTRAUGHT!
She told Spencer that finding out the truth about Ian was like losing him twice!
When Spencer's parents didn't want to give Ian a funeral, Spencer said they had to for Melissa's sake.
Veronica was so proud of Spencer for thinking of her sister!
After the funeral, Melissa apologized to Spencer for choosing Ian over her.
It seemed as though the Hasting sisters were truly ready to put the past behind them!
But THEN they found Ian's phone in Spencer's bag and Melissa accused Spencer of pretending to be Ian all along!
She told Spencer that she hated her and that she would never forgive her!
When Spencer SWORE that she had not pretended to be Ian...
We knew that 'A' was not finished with the Hastings sisters yet!
Do you remember the ups and downs of the Hastings sisters' relationship during Ian's disappearance?
Let us know in the comments below!