The safe house was a cramped, musty attic above a shuttered bookstore, its windows boarded against the city’s prying eyes. Lena Hart—Eleanor Whitmore—sat cross-legged on the floor, the key to locker 47 glinting in her hand, its inscription—where the river meets the sea—a tether to her father, Charles Whitmore.

The duffel bag from their escape at the pier, stuffed with files and a USB drive labeled For Ellie, lay beside her, its contents a partial map of Vivian ...