Liverpool, 1961. A group of young men come together seeking fame and fortune, as the fledgling sounds of the Swinging Sixties take root in the city. Soon, Liverpool becomes synonymous with the music that shapes a generation.

Liverpool, 1999. Skeletal remains found in the docklands lead Detective Inspector Andy Ross and Sergeant Izzie Drake into a journey through time, as the investigation takes them back to early days of the Mersey Beat.

Whose bones laid beneath the mud of the River Mersey for over thirty years, and what links them to a young woman, missing for the entire time?