Mika will do what it takes to make sure there are no more lost ones—and to bring the infamous killer, the Dark Angel, out into the light. It’s summer in 1880 Stockholm, and the city bakes in the heat—but the heat on twelve-year-old Mika is lifting. After lying low following the dramatic blast at the jail, Mika’s relieved to learn her name is finally cleared. And it’s not a moment too soon—because Detective Hoff has a perplexing case involving the disappearance of a local teen. The girl’s wealthy family wants to make sure things stay quiet. Why would a girl who has everything want to run away? And why is her family so afraid to go public? Then Tekla reaches out to Mika with a truly chilling discovery at a construction site in the city—a discovery that might hit a little too close to home for Mika. Could it be the work of the Dark Angel? As the summer heats up, Mika will make some tough choices as she works to uncover these mysteries, including the biggest mystery of all: her own