Blue Bloods S07 E20 No Retreat, No Surrender

"Honor. Justice. Family. It’s in their blood."

After a witness in a former case of Erin’s asks her for help shutting down a drug operation in his apartment building, she makes it her mission to make the building safe for his family. While investigating a teen’s suicide, Danny and Baez uncover information that suggests the death was a homicide. Frank looks into potential misconduct within the Mayor’s office.