Laura and the team delve into an Urban Treasure Hunt and track a killer from the gritty rooftops of New York to the opulent halls of the symphony. Along the way, Laura is forced to consider new configurations of modern love.

A stunning development leaves Laura in mortal danger and makes it clear that the murder case of Michael Dunham is far from resolved. It's a race against the clock as Laura fights to save her own life and take down a killer.