"On the evening following London's great fog of 1897, five men are lounging at the Grill, an exclusive gentleman's club. One, a visiting American diplomat, tells the others that while lost in the fog the night before, he stumbled upon the scene of a double murder! Scotland Yard, he relates, is baffled, but a second club member corroborates the diplomat's fantastic tale, confirming that the murder victims were a Russian princess and a young British...

"Four months after the explosion at the Garden, a place where young women known as the Butterflies were kept captive, FBI agents Brandon Eddison, Victor Hanoverian, and Mercedes Ramirez are still entrenched in the aftermath, helping survivors in the process of adjusting to life on the outside. With winter coming to an end, the Butterflies have longer, warmer days of healing ahead. But for the agents, the impending thaw means one gruesome thing: a...