Blue Bloods (2010)

S7E20 No Retreat, No Surrender

Erin is approached by a witness from an earlier case who seeks her assistance in dismantling a drug operation in his apartment complex. Determined to ensure the safety of his family, she embarks on a mission to rid the building of its dangers. Meanwhile, while probing into a teenager's suicide, Danny and Baez stumble upon evidence indicating it might be a homicide. Concurrently, Frank investigates possible wrongdoing within the Mayor's office, adding another layer of tension to the unfolding scenarios.