Sorority Row (2009) Timeline Explained – Every Event in Order

Garrett didn't intentionally kill Megan. During the prank where the sorority girls staged Megan's fake death, Garrett believed Megan was actually lifeless. When Jessica made a comment about releasing air from Megan's lungs, Garrett panicked and struck her with a tire iron while trying to dispose of what he thought was a body. The prank was meant to humiliate Garrett for cheating, but his reaction turned it fatal.

Foreshadowing: The prank was planned specifically to exploit Garrett's emotional state after learning of Megan's supposed death.

• garrett
• megan death
• tire iron
• prank accident
• steel mill

Megan orchestrated the prank to get revenge on her cheating boyfriend Garrett. The plan involved staging her fake death while making out with Garrett to humiliate him. However, when Garrett attempted to dispose of what he believed was Megan's corpse at the steel mill, he panicked after Jessica's comment about releasing air and struck what he thought was a body with a tire iron, actually killing the real Megan. The group then panicked and hid her body in a mine.

Foreshadowing: The prank required Garrett to be alone with Megan's 'body' at the steel mill, creating the fatal opportunity.

• fake death prank
• sorority sisters
• revenge plot
• steel mill
• megan

Andy was Cassidy's boyfriend and the true killer throughout the film. He murdered the sorority sisters and others to eliminate anyone who knew about Megan's death, believing this would give him a future with Cassidy. His confession reveals a twisted sense of love, he wanted to protect Cassidy and have a life with her by removing the people who could expose the secret that haunted her.

Foreshadowing: Andy had access to Cassidy and the group, learning about the Megan incident through their relationship.

• andy
• killer
• cassidy boyfriend
• motivation
• reveal twist

The film strongly suggests Garrett survived his supposed death. At the end, wrist markings are shown on a mysterious figure holding a garden trowel, hinting that Garrett may have faked his suicide attempt and could still be alive. This ambiguous ending leaves open the possibility that Garrett is the figure seen at the renovations fifteen months later.

Foreshadowing: Garrett's death was never shown on screen, just his leap from the sorority roof.

• garrett survival
• ending
• garden trowel
• wrist markings
• sequel hint

Andy sent the threatening messages, including the photo of the robed hand holding the bloody tire iron and the video of Megan's death. He orchestrated the entire campaign to terrorize the girls and force them to the mine, using their guilty consciences against them. The texts and video were designed to make them believe Megan was seeking revenge.

Foreshadowing: Andy had access to the tire iron evidence and knew the details of Megan's death.

• threatening texts
• video
• tire iron
• messages
• killer plan

Andy targeted all the sisters who knew about Megan's death because they were witnesses to the crime. He believed that by eliminating them, he could protect Cassidy from the guilt and legal consequences of their involvement, ultimately giving himself a future with her. Each victim was either directly involved in the cover-up or overheard something dangerous.

Foreshadowing: The bloodied message in the mine read 'Theta Pi must die,' confirming revenge for Megan's death.

• targeted murders
• theta pi
• sorority sisters
• witnesses
• cover-up

The group drifted apart due to the traumatic guilt of Megan's death and their role in hiding it. While all five were affected, Cassidy especially struggled with guilt that haunted her throughout the eight months. The secret of covering up a murder created rifts between them, and the impending graduation only accelerated their separation.

Foreshadowing: Cassidy's visible guilt at the graduation party shows how deeply the incident affected her.

• guilt
• trauma
• drifting apart
• cover-up
• psychological fallout

Megan is Megan's younger sister who came to the Theta Pi graduation party to honor her sister's memory. Her presence adds emotional weight to the gathering and creates dramatic irony, she has no idea her sister's death was actually a murder covered up by the girls she came to commemorate.

Foreshadowing: Maggie's arrival at the party is framed as paying respects to Megan's legacy.

• maggie
• megan sister
• graduation party
• emotional layer

Mrs. Crenshaw, the Theta Pi house mother, was killed by Andy while searching for the assailant attacking the sisters. She became another victim in Andy's campaign to silence everyone connected to Megan's death. Her death occurs as the remaining girls are desperately trying to escape the house.

Foreshadowing: Mrs. Crenshaw's investigation into the attacks led her directly to the killer.

• mrs crenshaw
• house mother
• death
• searching killer

The three survived by escaping the burning sorority house after Andy set it on fire during his climactic battle with Cassidy. Cassidy fought desperately to save Maggie from the flames, and in the chaos, Andy was defeated. The survivors emerged as dawn broke, having barely escaped with their lives while the house burned down around them.

Foreshadowing: The fiery showdown was Andy's final attempt to ensure no witnesses remained.

• survivors
• burning house
• escape
• dawn
• final showdown

The garden trowel held by the mysterious figure at the end suggests Garrett may be the person lurking in the shadows. Combined with the wrist markings that match Garrett's previous scars, this hints at a potential sequel or unresolved threat. The trowel implies Garrett may have survived and could be planning revenge or a return.

Foreshadowing: Garrett was last seen on the sorority roof, and his death was never confirmed.

• garden trowel
• ending
• hint
• garrett
• sequel tease

Joanna was killed because she overheard Claire and Jessica discussing the recent murders and the tire iron, making her a potential witness to information about Megan's death. Andy killed her to prevent her from sharing any details that could lead to uncovering the truth about what happened at the steel mill.

Foreshadowing: The killer systematically eliminates anyone who learns details about the original incident.

• joanna
• murder
• overheard
• witness
• eliminate

Andy's obsession with Cassidy appears to stem from a twisted interpretation of love and loyalty. Through their relationship, he learned about the traumatic night of Megan's death and became obsessed with protecting Cassidy, by eliminating everyone who knew the truth. He believed removing these witnesses would free them to have a future together.

Foreshadowing: Andy had intimate knowledge of Cassidy's guilt and used it to justify his actions.

• andy obsession
• cassidy
• love
• motivation
• protection