1: Introduction to Changes in NYPD Leadership on Blue Bloods.

2: Frank Reagan takes charge as new NYPD Commissioner.

3: Eddie Janko promoted to a higher rank in the police force.

4: Jamie Reagan faces challenges in his new leadership role.

5: Erin Reagan deals with office politics after leadership changes.

6: Danny Reagan's approach to policing evolves under new leadership.

7: Sid Gormley steps up as an influential figure in the department.

8: Vanessa Cruz shakes up the NYPD with her unconventional methods.

9: Conclusion on the impact of leadership changes on Blue Bloods characters.