New York City, 1845. Timothy Wilde, a 27-year-old Irish immigrant, joins the newly formed NYPD and investigates an infanticide and the body of a 12-year-old Irish boy whose spleen has been removed.
Joining the newly formed NYPD in 1845, Timothy reluctantly assumes his duties near the notorious Five Points slum, where in the middle of the night he hears a little girl's claim that dozens of bodies have been buried in a local forest.