<p>1817. Clemency van Emden receives an anonymous terse message informing her that her estranged father is dead and buried. Confounded by this news and desperate to visit her father's final resting place, she returns from Holland determined to seek answers. A chance encounter on a busy London street leads her to twin detectives Peter and Paul Skillen, who agree to help her unravel the mystery of her father's last days. However, Paul&apo...