### World view setting
- **Time setting**: In the near future world, science and technology are highly developed but social divisions are serious. Human beings have begun to explore and colonize outside the solar system.
- **Location Setting**: The story begins at the space observatory "Watcher" in Earth orbit, and then moves to the Mars colony "New Dawn".
- **Basic Background**: Humanity established the first self-sufficient colony on Mars, but a mysterious signal interruption caused the colony to lose contact with the Earth, triggering a series of supernatural phenomena.
### Story summary
- **Abnormal signal**: Space observer Lin Mo discovered an abnormal signal from the Mars colony during routine observations. This is the first time in three years that he has received news from the "New Dawn".
- **Mysterious Call**: Hidden in the signal is the voice of Lin Mo's late wife, although official records show she died in a Martian accident three years ago.
- **Dangerous Mission**: Lin Mo was selected as the leader of the special investigation team and went to Mars to investigate the truth about the signal interruption, facing inner trauma and unknown dangers.
- **Strange Discovery**: On the spacecraft heading to Mars, Lin Mo discovered that the members of the investigation team each concealed secrets related to Mars, hinting at a larger conspiracy.
- **Mars Mystery**: After arriving on Mars, the investigation team found that the colony was intact but empty. Only Lin Mo could hear the non-existent sounds.