Storylines
Kylie arrives in Ferndale when her best friend, Lana, informed her that the man they believed had killed her sister, Boyd Rolleston, had gained a job at the hospital. Kylie got a job as a nurse and alongside Lana and Emma Franklin (Amy Usherwood), set out to expose Boyd as a murderer. After discovering her sister alive and well, Kylie mistakenly slept with Vinnie Kruse (Pua Magasiva) and briefly had a relationship with teenager, Evan Cooper (Tyler Read). Kylie and Vinnie soon began a serious relationship but she fell for Nate Clark (Josh McKenzie). Kylie's relationship with Nate soon proved toxic for her when he proved to be hugely overbearing and they broke up.
She begins a relationship with TK Samuels (Benjamin Mitchell). Kylie became pregnant with TK's baby, but lost the baby due to ectopic pregnancy and she was devastated. Her mother Norelle Brown (Luanne Gordon) arrives and proved to be irresponsible with money by buying loads of books for her non-blood-related granddaughter, Tillie Potts (Leila Eketone), but was found out that she has breast cancer, the same disease that took the life of Kylie's great-aunt. After her mother's death Kylie was accused by her sister of helping her mother to die. Kylie was found not guilty of assisting suicide which makes and the sisters reconcile. She then is worried about her mothers cancer being hereditary and gets tested. She finds out that she is at great risk of getting breast cancer too. She decided to have a mastectomy and cosmetic surgery to replace her breasts. Drew McCaskill (Ben Barrington) operates and botches the procedure. She later goes back and has the procedure re-done. TK was dealing with a spate of deaths in a mystery virus, and TK not understanding why Kylie never asked for her job back as a nurse, their relationship was on the verge of ending. TK and Kylie eventually broke up, but vowed to remain friends.
They briefly get back together after she helps TK through a mental breakdown caused by TK's involvement with some dodgy criminals. While investigating the spate of deaths, Kylie and TK decide to split again. Kylie starts a relationship with Frank Connelly (Luke Patrick). The pair leave Ferndale for a getaway and shortly return married. Kylie returned to the Plastic Surgery Clinic to work as a nurse, where she later received training to perform Botox injections. It is later revealed that Frank was already married when his wife, Mindy, turns up. Making Frank a bigamist much to Kylie dismay. Upset, she turns to Drew and they have sex. After Frank's run-ins, they reconciled and remarried, but Frank marriage was voided as he still hasn't fully divorced from Mindy. After Mindy left with his son, Zane (Liam Walker), in which Frank was not the father, Kylie is trying for IVF, while her sister returns to Ferndale with her new husband, who later became ED Consultant. Kylie was briefly pregnant, however, on May 1, she was confirmed to had miscarried, just after Julie gave her some woollen clothes made by their late mother, Norelle. Although she was offered money to have surgeries to fix her septate uterus, however, she would become infertile. She resumed her role as Director of Nursing by default as Nicole is injured after Finn injured her in a drink-driving accident. Julie offered to become Kylie's surrogate mother, but with Dylan's past indiscretions had been exposed, Julie's marriage could also be in jeopardy. However, Dylan killed both the unborn baby and Julie to pull off his 3rd insurance claim fraud.
Despite this, Kylie helped Dylan overcome losing Julie and the unborn baby, until in December 2018, when they were due to marry, Dylan's twin brother Dan forced Dylan into a confession, which, despite Kylie's disbelief, eventually killed Dylan off after he tried to killed her to pull off his 5th insurance claim fraud. She also killed off Ian Reid, the convicted serial rapist that was hospitalised earlier that day. Nicole Miller, is now pregnant and Kylie asks Chris if he can make her Director of Nursing so she can get Nicole axed from the job. Kylie then becomes DON.
Ali, who was diagnosed with brain cancer, witnessed the death of him outside the ward. Before going to theatre to get his tumor removed, he has visions about Kylie killing Dylan. Later in April, before Ali died, Ali finally remembered the whole scene of Kylie killing Dylan and threatens to take her to the police. While Ali is sleeping, Kylie tries to dose Ali with morphine but stops and runs back to Chris' house and attempts to drink 2 shots of Vodka and dose on morphine, but just before she could Chris stopped her. TK comforted Kylie after Ali's death and they slept together, which broke Te Rongopai and TK up.
Kylie hooks up with Prince Kimiora in March 2019 after kissing Drew in a bar to feel better and having Drew run off, they go skinny dipping and then Prince asks Kylie to tell him her secrets, but Kylie kicks him out of the house.
Then later in March, Kylie reconciled with former character Leighton Gilmore, after he was taken into ED with kidney stones. Prince tells Kylie about how Leighton killed his wife. Nurse Dawn Robinson then starts taking care of him, and Leighton then puts $60,000 in Dawn's bank account to pay for her insurance claims after Ali crashed an ambulance in January. Kylie orders Dawn to stay away from him, but she refused. Leighton was ordered a transfer of hospitals, but Kylie killed him by overdosing him on medicine
In June 2019, Laura King dies from a drug overdose, and Esther is targeted by a dangerous man, Ben King saves Esther and they go back to TK's house. Ben and Esther sleep together and Esther keeps saying "no" but Ben unfortunately doesn't stop until he realises he went too far. Kylie thought it was her business to be involved and she and TK threaten Ben with the police. Esther does not want to take Ben in to the police.
Later the next month, Dan (Dylan's twin) is taken into ED, at first Kylie is traumatised as she sees visions of Dylan. Dan tells Kylie to stay away from her, but instead Kylie stays close to him and they start a relationship, Kylie then meets a Christian family and she tells them there is no God. Kylie then gets dehydrated in the Waitākere Ranges and is taken into ED. Kylie then realises there is a God and she asks him for forgiveness of her sins and gets baptised. She marries Daniel and is found not guilty of the death of Ian Reid. Daniel leaves her and she had shock therapy in August.
In the 2019 finale, she and TK deliver Phoenix Warner's baby and the two get back together, much to the returning Frank Warner's upset. In February they get engaged and Kylie's lost year from shock therapy returns, and she realise she killed Dylan and Leighton. She turns herself in and is now in prison.
