A DEADLY THREAT STRIKES CLOSE TO HOME

A deadly threat strikes close to home, pulling Lena, Danny and the team into an intense investigation that stirs buried grief and tests their resolve on Boston Blue’s May 15 episode “Chasing Monsters.”

At the same time, Mae faces a political and personal reckoning, prompting a revelation that pushes Lena toward a life-changing decision.

With a story from Terri Kopp, “Chasing Monsters” was directed by Sherwin Shilati.

It airs Friday, May 15 (10:00-11:00 PM, ET/PT) on the CBS Television Network, and streaming on Paramount+

BOSTON BLUE

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"Chasing Monsters" -- Coverage of the CBS Original Series BOSTON BLUE, scheduled to air on the CBS Television Network. Pictured L to R: Donnie Wahlberg as Danny Reagan, Mika Amonsen as Sean Reagan and Sonequa Martin-Green as Lena Silver. Photo: Ian Watson/CBS ©2026 CBS Broadcasting, Inc. All Rights Reserved.