Original name: สัญญา สัญญาณ
Release date: January 20, 2023
Series
Average time: 62 minutes
Genres: Drama, Mystery, Sci-Fi & Fantasy
Synopsis: In this fantasy investigation series, investigators from two eras must hunt for the truth in old unsolved cases, communicating only through an old radio. The signal between the past and the present only opens at 23:23.