An Amazon Charts and Wall Street Journal bestselling series. Kate Marshall`s investigation into a journalist`s disappearance sends her down an unexpectedly twisted path in a riveting thriller by the author of Shadow Sands. Kate Marshall`s fledgling PI agency takes off when she and her partner, Tristan Harper, are hired for their first big case. It`s a cold one. Twelve years before, journalist Joanna Duncan disappeared after exposing a political scandal. Most people have moved on. Joanna`s mother refuses to let go. When Kate and Tristan gain access to the original case files, they revisit the same suspects and follow the same leads--but not to the same dead ends. Among Joanna`s personal effects, Kate discovers the names of two young men who also vanished without a trace. As she connects the last days of three missing persons, Kate realizes that Joanna may have been onto something far more sinister than anyone first believed. the identity of a serial killer hiding in plain sight. The closer Kate comes to finding him, the darker it`s going to get.