When Mim Squires and Mathias Vander are stranded together on a disrupted flight home to Perth, they are surprised to find that they have much in common. Mim owns a bookshop, Mathias is a writer, and both are at turning points in their lives. Mim's childhood polio is taking a toll on her life. Mathias is contemplating a cross-continent move to be nearer his daughter. But life back in Perth is not smooth sailing, with their respective family members going through their own upheavals. As Mim and Mathias both struggle to adjust to the challenges of being in their late seventies, secrets from the past that neither wishes to face rise to the surface, challenging their long-held beliefs in their independence and singularity. At the end of the day, can they muster the wisdom and the courage they need to change?