Kind-hearted and practical psychologist Colin Palmer has spent decades helping his clients. Now he's under pressure to retire and hit the road in a new caravan with his wife Joyce.

However, when Joyce abruptly heads off on her own adventure, Colin's perfectly ordered world is flipped upside down. He's left grappling to make sense of their marriage, who he is and what he wants.

Enter no-nonsense, blunt, firecracker ex-nurse Shirley Royal! Recently widowed, Shirley is also searching for meaning after losing the bedrock of her existence. She's ripe for a new project and Colin might just be it!

But just when Colin's future appears bright and assured, thanks to Shirley's friendship, Joyce tumbles back into his world. How will he now navigate a path between his old life and new?