In the second season, Annie breaks away from the group and becomes somewhat of a loner due to the secret she is hiding and the resentment Naomi has for her.
At the beginning of Season 2, they are all at a beach party when she meets up with Mark, a senior. Annie is not aware, however, that he had taken a naked photo of her topless.
The family relocated in order to care for Harry's mother Tabitha (Jessica Walter).
Sachs found Milligan to be "really funny", and changed Ethan to better represent his personality.
She and Ethan later part ways and she gets back in Naomi's good books.
In the season finale after prom, Annie is framed when Naomi's sister Jen ends up in bed with Liam.
Jen had taken Annie's wrap earlier, to which Naomi finds the wrap and a half-naked Liam in her room, automatically believing Annie had slept with Liam, as she confronts her in front of the entire class.
This leads to everyone turning on Annie and abusively shouting at her, resulting in Annie storming out and calling the police on Naomi, and then taking a bottle of vodka when she drives off.
She falls in love with Jasper, a drug dealer and the nephew of the man she killed.In the morning Annie is seen driving with the now half empty bottle of vodka.She takes her eyes off the road and ends up running someone over and driving away out of fear.After her estranged friends confront her with news that her boyfriend is a drug dealer, she confronts him about it.He informs her he knows that she killed his uncle, and then blackmails her so they can continue dating.This is a list of the characters that have appeared on 90210, an American teen drama.