Arthur is concerned that Maggie's friend Heather may be a bad influence. Robbie's marriage faces a crisis after Arthur unwittingly gets involved. Maggie and Heather cause chaos at Tony and Maya's new restaurant.

Terrified that her memory is failing her, Maggie decides to throw a "70th Birthday to remember" and unwittingly drags Arthur and Robbie into a chaos they'd soon wish to forget.

Arthur is determined not to take Maggie to Canberra with him to visit his ex, Dee, but Maggie has other plans. Maggie fears she is becoming 'invisible'. Arthur comes to terms with the nature of his relationship with Dee.

Maggie and Arthur aren't speaking to each other after Arthur finds out Maggie's plans to take her health into her own hands. Maya and Arthur grow closer when Arthur agrees to review the new restaurant.

When Maggie falls for a suave Activities Director on a family holiday, Arthur suspects 'Ronaldo' is out to exploit Maggie, while Robbie's sure Liz is getting more than just upgrades from the Resort Manager

Following a break-up from his long-suffering girlfriend Dee, Arthur puts his future on hold to move back home with his widowed mother, Maggie.

Arthur battles with his identity when Maggie takes in a Ghanaian lodger at her house. Maggie and her new 'son' decide to run a Ghanaian food stall at the local markets. Arthur helps Dee pack for her move to Canberra.

When Maggie reveals that she's been keeping a $30,000 nest egg "for a rainy day", she becomes a target to her own conniving kids, not to mention the endless other scammers preying on Australia's elderly.