A young woman follows a mysterious melody onto a remote tidal island. When she crosses back over at the next low tide, she emerges into a world where 25 years have passed.
Filming has begun in and around London on a four feature-length episodes in which the duo explore murky crimes such as the tragic death of a 2000s poster, the impenetrable world of the U.S. Embassy, the splendor of Kew Gardens, a classic music academy and
