A man dies inside a church, protecting a baby. The team has to find the guy's killer and the baby's parents. The man is connected to a crime, but by protecting the baby he does not fit a normal criminal character.
A bleeding man stumbles into a church and, just before dying, hands a mysterious bundle to the priest. When the bundle turns out to be a smiling baby boy, Castle and Beckett find themselves accidental nannies to the newborn. But when they determine the baby and the victim were not related they must try to find the link between them.—Anonymouse