Lyric, "green Door, What's That Secret You're __?"
This page is the CodyCross answer for the clue below from TV Station, Group 620, Puzzle 3 (Murder Mystery).
Question is: Lyric, "green Door, What's That Secret You're __?"
and the answer is: KEEPING
Word Meaning:
KEEPING — Conformity or harmony.
Definitions from Wiktionary.