About Blue Bloods Season 10, Episode 19 : Family Secrets

After getting a match from an unknown relative from a DNA network, Sean Reagan does some detective work to figure out who this mystery person might be, and Frank gets a personal request from a woman, Paula Hill, to transfer her son to a safer assignment. Also, Danny seeks to uncover the truth behind the murder of a key witness in one of Erin's cases, and Eddie begins to think about having a child after she and Jamie discover a newborn left outside their precinct. Guest Stars: Bonnie Somerville, Danielle Davenport, Jamila Velazquez, Gwendolyn Ellis, Reynaldo Piniella, Carlos Andrickson, Roman Maldonado, Alexander Goyco, Avery Anton, Ale Valentina, Jess Nahikian, Frank García, Jared Morrison, Kristina Bartlett, Joe O'Connor, Richard Kline, Will Hochman,