The story begins on the space station Omega, where Katrin is dealing with an urgent engineering problem, which is her daily job.
At the same time, Alex was performing positioning calibration on the space station and lost contact with Earth.
Alice discovered some anomalies and unexplained biological events in the biology laboratory.
Cedric receives a security alert, notifying the space station that something is wrong.
Katrin, Alex, Iris, and Cedric begin working together to try to unravel the mystery of what happened to the space station.
They found that the energy supply of the space station was interrupted, communications were interrupted, the system was operating abnormally, and the residents of the space station were in crisis.