Set before The Rising Tide, Vera goes on a day trip to Holy Island, eager to escape the pressures of work. When there she is reminded of the day decades earlier when she, as a teenager, went with her father Hector on another day trip, and the mystery woman he met there . . .

Vera already knew then that Hector kept secrets, but this time the fledgling investigator was determined to find the truth, never realizing it would mean taking her first step onto a path to becoming a detective . . .