Hazel and Ryan are shocked when a ghost from the past turns up in Arcadia. Ana and Ryan are forced to face their feelings for each other. Mark attempts to get the spark back into his relationship with Renee.
This serial drama centres on the inner-city neighbourhood of Arcadia Heights, exploring the relationships between the residents of the Arcadia social housing tower and the people who live in the rapidly gentrifying community that surrounds it. The Heights mines the frictions and commonalities between the upper and working classes in the melting pot of urban Australia. The series presents a medley of characters, cultures, classes and backgrounds from the 'tower' community, exploring their relationships, work lives and everyday challenges faced by its characters in an entertaining relationship drama series.