Unlocked Underwater Scenario

The flashlight was barely able to pierce the darkness around him. With the tugging of the black hair, Chen Ge was slowly being pulled to the thing that looked like a coffin.

Why is there such a thing in the dam? Who was it made by, and who is it for?

Before jumping into the dam, Chen Ge had no idea the dam would be so deep. He was running out of oxygen, and it showed with the lightness of his head. He moved the flashlight to shine around the coffin. The black 'water weed' danced at the bottom of the dam. After diving another two meters, Chen Ge realized that it was not a plant but human hair. It was weaved together into braids, and Chen Ge's eyelids kept twitching as he observed them.

Wen Wen's sister wants me to swim through the jungle of hair?