Night Signal is a fiction thriller anthology. Each episode is a tight 26–28 minute suspense story set in familiar urban spaces, stairwells, lobbies, security rooms, where one rule, one clock, and one object tilt the night. Expect grounded audio drama craft, clean chapters, and clues that hide in plain sound design. Think locked-room pressure without gore, mystery without monologues, choices with a cost and endings that echo. Start anywhere. New episodes weekly.