The Secret Life of Us traces the tumultuous life of a group of friends in their mid-twenties who live in a St Kilda apartment building and are all looking for the same thing love, sex, romance and success. The friends and housemates are back for a brand new chapter in their lives that will challenge eachof them and test their resolve. With Evan (Samuel Johnson)away, Alex (Claudia Karvan) is drawn to a handsome doctor and an innocent interest develops. Kelly (Deborah Mailman) is desperate to broaden her horizons, but will her relationship with Nathan survive such an upheaval? Gab (Sibylla Budd) revels in her brand new job and her feelings for her new boss continue to grow. Richie (Spencer McLaren) is struggling to deal with his secret. But, will telling his father solve the problem or make matters worse? How will Jason (Damian De Montemas) and Caitlin (Alice Garner) cope with the demands of impending parenthood? Featuring guest stars: Vince Colosimo, Catherine McClements, Diana Glenn, Jacek Koman, Daniela Farinacci, Andrew Curry and Joel Edgerton.