Retired Australian detective Jack Darby is on the run from his troubled past, while English widow Joan Kirkhope is seeking escape from her deep-seated grief. Their paths unexpectedly converge on a secluded backroad. Jack, a directionless and forthright Australian, and Joan, a sharp-witted Englishwoman, are stark contrasts to each other. Yet, as they find themselves entangled in the enigmatic mysteries hidden in the remote and tropical expanses of Australia, they soon realize that the most captivating mystery is the dynamic between them. "Darby and Joan" unfolds as an epic tale of love, a non-stop road movie, a series of mysteries, and an adventure through the Outback. It explores the profound question: is it possible to discover yourself in the most unexpected of places?