Offspring - Season 1 - Eps 7: Two Sisters
Suppressing her feelings, Nina gives Chris some space as he travels to Queensland in search of his missing wife. But with Chris away, and plagued by her own insecurities, Nina makes one very big mistake that will change everything. Meanwhile, Billie can't bring herself to make up with Mick, and Darcy finally learns about Cherie's secret past.
About Offspring

Title: Offspring
First Air Date: 2010-08-22
Last Air Date: 2017-09-30
Status: Ended
Rating: 7.1/10 (from 24 votes)
Language: EN
Seasons: 8
Total Episodes: 85
Network: Network Ten
Genres: Drama
Production Companies: Southern Star
Synopsis
An exuberant drama set in Melbourne's Fitzroy, centering on Nina Proudman and her struggle to deal with her fabulously messy family, her hunt for a decent love life and her tendency to overthink and fly off into fantasy.
Cast

Asher Keddie
Nina Proudman

Kat Stewart
Billie Proudman

Richard Davies
Jimmy Proudman

Linda Cropper
Geraldine Proudman

Jane Harber
Zara Perkich

Alicia Gardiner
Kim Akerholt

Eddie Perfect
Mick Holland