Storylines
Michelle is first seen complaining that she feels unwell but this is an excuse to get out of moving boxes and furniture when the family arrive in Ramsay Street. Soon after her arrival, she takes a shine to neighbour Paul McClain (Jansen Spencer), who is interested in her older sister, Felicity. When it becomes apparent food is missing from the Scully house, Michelle's father Joe discovers Michelle is hoarding for the Y2K bug. Joe assures her that he will not let any harm come the family.
On Millennium Eve, Michelle babysits five-year-old, Louise Carpenter (Jiordan Anna Tolli), but grows impatient that she is missing the celebrations out in the street and briefly leaves Louise unattended. Louise, unable to find Michelle, discovers some firecrackers and matches on the table and starts a fire in the Scully house. Drew Kirk (Dan Paris) notices the house is on fire and rescues Louise. Michelle regrets leaving Louise alone.
When Michelle begins Year 8 at Erinsborough High, she is bullied by Cecile Bliss (Molly McCaffrey) and her friends. Michelle talks about to Joe and he tells her to stand up for herself but this backfires when Michelle pushes Cecile one day, causing her to fall and break her arm, resulting in suspension for Michelle. Soon after this, Michelle begins a friendship with Bianca Nugent (Jane Harber).
After spotting a seemingly abandoned house, Michelle investigates and agrees to help the mystery occupant. When Michelle tries to find out who it is, she is immediately spooked when Damon Gaffney (Richard Morgan) confronts her. Upon learning that Damon became a recluse after his wife and daughter died, Michelle tries her best to help him but is accused of meddling. When Michelle is menaced by a scary dog, Damon comes to her aid and pushes his agoraphobia to one side. Damon then receives counselling and moves on.
When Patsy Edis (Anne Maloney) begins babysitting for Lou, Michelle is immediately suspicious and warns him but he is dismissive. Michelle's suspicions are proved after Patsy is caught burgling Lou's and several other houses in the street.
Evan Hancock (Nicholas Opolski), the new teacher at Erinsborough High arrives in Ramsay Street and Michelle takes an interest in the environment and other green issues. This leads to an incident where Michelle and several others are arrested during an Animal Rights protest march. Michelle later meets Zack Shaw (Owen Lee) and they begin dating. When Zack transfers to Erinsborough High, he is not keen to be seen around Michelle as he is several years older than she is. The couple later split up when Zack spreads rumours about Michelle being "easy" and she takes revenge by breaking into the school with new friend Elly Conway (Kendell Nunn) and writes "Zack is gay" on the blackboard, disgusting Elly, who believes Michelle is not much better for stooping to Zack's level.
When Connor O'Neill (Patrick Harvey), a friend of Michelle's brother Jack (Jay Bunyan) moves in with the Scullys there is an obvious attraction between the two and Michelle's parents are concerned as they had many problems the previous year with Felicity dating Joel Samuels (Daniel MacPherson). After Michelle is hospitalized following a mishap with floor cleaner while making mocktails, Connor is forced to admit he is illiterate and had been keeping it a secret for months. Michelle agrees to help him but Connor decides against it and gets help from Libby Kennedy (Kym Valentine) instead.
Michelle is concerned when Connor begins spending a lot of time hanging around with Nina Tucker (Delta Goodrem). Connor tells Michelle there is nothing going on but Nina clearly is attracted to Connor and is being blackmailed by Tahnee Coppin (Anna Jennings-Edquist). Michelle and Nina later take revenge on Tahnee when she tries to claim credit for Nina's song "Born to Try".
Michelle receives news that she is accepted into the exchange programme but on the day she is supposed to leave for New York, the insurance falls through. Sometime later, Michelle and Connor's relationship is put to the test when Jim Baynes (David Cormick), one of Joe's workmates calls immigration on Connor. After trying to flee, Immigration agree to be lenient with Connor, citing his illiteracy. Joe, however throws Connor out of the house and he moves into Number 30. Michelle later gets a second chance with the exchange programme after Tahnee is expelled from it and leaves for New York after an emotional farewell with Connor. Joe visits Michelle soon after.
A year later Michelle returns to Erinsborough to find Connor in the arms of Carmella Cammenitti (Natalie Blair). Connor later dumps Carmella, which results in her slapping Michelle. After an initially shaky reunion and the revelation of Connor's one night stand with Jack's ex-girlfriend Lori Lee (Michelle Ang), Michelle decides that she is going to leave New York and resume her life in Erinsborough with Connor. After the couple spend the night together at Lassiter's they get a shock in the hotel lobby when they see Lori and she is holding her and Connor's daughter Madeleine (Madison Lu). Connor explains and pledges his loyalty to Michelle, but when Lori reveals Connor practically offered to marry her the previous year if she did not go through with the abortion, Michelle dumps Connor, says goodbye to her family and returns to the States and is heard from sparingly throughout the years.
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