Sarah Brandt is shattered when she learns that a woman has inquired at Hope's Daughters Mission for Catherine, the abandoned child she has taken as her daughter. The woman claims she was Catherine's nursemaid, now acting on behalf of the girl's mother to reunite them. Unwilling to simply hand Catherine over to a complete stranger, Sarah asks Malloy to investigate. But when he goes to interview the woman at her tenement in Chelsea, he finds she has...