City of darkness and light

the long version

A New York Times Bestselling Author Molly and Daniel Sullivan are settling happily into parenthood when a gang retaliates against Daniel for a big arrest. Daniel wants his family safely out of New York. Molly, shocked and grieving, agrees to take their infant son to stay with friends Sid and Gus in Paris. But once there, Sid and Gus seem to have vanished into thin air. And Molly's search for them leads her to wonder if she and Liam might be in more danger in Paris than they had been at home.