of her. Jade meets Callum and realises that he is Sonya's son, that she left with their grandmother. Callum tries to find his mother. After an accident, Callum is rushed to hospital and he realises that Sonya is his mother. Sonya confirms it and a devastated Toadie asks her to leave. Callum begins meeting Sonya in secret and she tells him that she left him with her grandmother because she was in a bad place due to her addictions. Sonya's ex-boyfriend and Callum's father, Troy Miller (Dieter Brummer), comes to Ramsay Street. Sonya introduces Callum to Troy and she tries to reconnect with Toadie. Troy kisses Sonya, but she realises she still loves Toadie and they get back together. Troy reacts badly and he punches Toadie, shouts at Callum and tries to force Sonya into having an emotional breakdown. He leaves shortly after. Sonya decides to buy the community gardens and turn the land into a garden nursery. Sonya unsuccessfully applies for a loan, but Toadie begins working for a law firm and gets the loan, allowing Sonya to buy the gardens. Sonya and Toadie decide to bring their plans to try for a baby forward, but worry when Sonya does not become pregnant. Sonya and Toadie undergo fertility tests and Rhys Lawson (Ben Barber) tells them that Toadie has a low sperm count. After almost giving up on the idea of having a baby, Sonya takes a standard pregnancy test before donating blood, and Rhys tells her she is pregnant. Troy returns to town and moves next door to Sonya and Toadie. He tries to gain custody of Callum and takes an intervention order out on Toadie, causing Sonya to collapse from the stress. When Troy refuses to let Callum leave his house, Sonya and Jade force their way in and Troy locks them inside. When Sonya and Jade escape, Troy falls and sustains a head injury. After he discharges himself from hospital, Troy goes to Callum's school and is confronted by Sonya and Toadie. Troy leaves, but falls unconscious at the wheel of his truck and dies. Toadie's cousin, Georgia (Saskia Hampele), moves in and bonds with Sonya over the baby. Toadie proposes to Sonya and she accepts. Sonya goes into labour two weeks early and due to complications, she has to be rushed to hospital, where she gives birth to Nell (Scarlett Anderson) via caesarean section. Sonya