Thirty years ago, the Super Ying Association led by Superman Wang Changhai crushed the aliens. Years later, Wang Changhai was appointed to return to his hometown to set up a combat squad, but in the town of Rheinland, which had been peaceful for many years, human feelings and courtesies have left Wang Changhai overwhelmed, creating layers of obstacles to Wang's ability to complete his mission.

Drawn by a lucrative insurance payout, a woman and several others move into a haunted building for seven days, where supernatural disturbances and hidden motives spiral into a deadly struggle to survive the night when the spirits return.