The residents of Arcadia Towers are left reeling after an abandoned baby is discovered. Hazel is stunned when her estranged son Ryan returns from London.
Fearing Mark's relapse, Renee searches for answers as Leonie struggles after kissing a woman. Jamie resurfaces and seeks Claudia's forgiveness while Iris continues to interfere in Sully's professional life.
With the abandoned baby's mother identified, Hazel and Ryan are desperate for answers. Sabine navigates her first day at Arcadia High. Sully invites Ash to dinner with Iris - with disastrous consequences.
Uncle Max strives to ignite the residents of Arcadia in the lead up to the election. Leonie fights to keep Big Mike out of prison. Sully confronts his fear of public speaking in an attempt to help the Community Centre.
Pav and Claudia's second date gets ruined by their kids, Kam lands himself and Iris in trouble with the police. Hazel refuses to cancel her Mahjong game on account of Patch, and the community come together to make it happen.
Ana and Ryan finally get together, only to be confronted by an unexpected third wheel. Renee is horrified when Mark makes a confession. Claudia and Pav struggle to keep their romance secret.
Ryan and Shannon struggle with the decision of whether to leave Arcadia. Kam finds out his results from Embleton. Mark and Renee clash over telling the kids about their decision.
Assumptions about Sabine's physical abilities intrude upon rehearsals. Evan lays out his views on Ana's commitment. Mark delivers big news to Renee as Leonie and Erika grow closer following a break-in.
When Leonie hosts a farewell dinner for Mark, politics, romance, and secrets are revealed. Meanwhile, Hamid catches an intimate moment between Ash and Sully.