Steve and Danis big day is almost derailed when Toms girlfriend, Kristen, proposes during the wedding speeches and takes his rejection badly. Toms friends force an intervention he must sign a treaty that forbids him from sleeping with any flatmates for one year or risk losing his most sacred possession his vintage 1964 Ford Falcon. As Rob enjoys the festivities with wife Colette, theres an unease in her that suggests she might be hiding something from her husband. Sensible Grace celebrates her best friend Danis wedding but when she meets hot young Brazilian guest, Carlos, she finds herself doing things she had never imagined. After Maggie's husband, Warwick, fails to show for the wedding, her decision to stay in the city for her mother seems like an excuse to take time out of her marriage.

With the napkin treaty signed, Toms resolve is put to a stronger test when Miranda asks if she can move in...will his attraction to her lead to trouble? Home from their honeymoon, Steve is concerned by Danis big spending but she manages to help him see the value in buying nice things. Grace fights her attraction to Carlos but when they meet again at FAT night, her plan to abstain goes awry...and so does their tryst, when a strange woman shows up. Rob is at a loss to help Colette when she experiences a hair-raising anxiety attack. What is making Colette so anxious? Maggie is a willing confidante for her sons worries about his relationships... as long as shes busy doing that, she doesnt have to think about her own.

In the wake of some very bad dates, Tom and Miranda share a drunken moment that will change their relationship forever. When Danis unpaid parking fines and reckless spending become an issue, the newlyweds face their first fight as a married couple. Grace tries to resist Carlos attempts to explain the woman in his flat but inevitably finds herself back in his arms in another spontaneous sexual encounter. After being plagued by panic attacks, Colette admits to Rob that she had a one-night stand a revelation that promises to explode their marriage. Maggie has her difficult mother, Ruth, over for lunch and on her way to drop her home gets picked up by the police for drink driving.

Toms horror proposal comes back to haunt him as he struggles with Kristens trauma will an enforced counselling session bring closure, or more doubts? When Rob learns the identity of Colettes lover, he uses his fists to even the score - but The Barista is not necessarily going to walk away graciously. Dani has a run-in with her demanding boss at a big event, leading to a major blow-up that will rock her professional world. After Grace finds accommodation in the Wonderland building, Carlos demands a public announcement of their relationship so he wont have to sneak around. Maggie does her best to keep her DUI case a secret from Warwick, but an unfortunate internet photo blows her cover.