Yes/no - [s3e10]

As the door clicked shut, the screen faded to black, leaving nothing but the sound of a single, distant siren.

Elias felt the micro-recorder hidden in his cuff press against his skin. If he said yes , he was inviting a ghost back into his life that he had spent a decade trying to bury. If he said no , he would walk out of that room a hero, but he would live the rest of his life wondering about the night his partner disappeared. [S3E10] Yes/No

This was the climax fans had waited for—the "Yes/No" moment that would either shatter the department or save it. As the door clicked shut, the screen faded