Missing Persons
S01:É01 - S01:E01 - The Car Crash
A traffic accident occurrs on the highway. A bus, carries 31 passengers, breaks off the road and plungs into a river valley with only 6 passengers are alive.
S01:É02 - S01:E02 - The Night of the Satellite
After hiding on the roof of the bus all night, the remaining four encounter another flood. The flood recedes, and the four finally waits the call from rescuers.
S01:É03 - S01:E03 - The Disappearance
While Li Qiao proposing to go to the upstream to find a way out, Lu Min insists on going downstream to investigate the alarm.
S01:É04 - S01:E04 - The Fate
Li Qiao is able to recognize Chen Jian because she finds an off-road vehicle when she goes upstream to find a way out.
S01:É05 - S01:E05 - The Portrait
Li Qiao is convinced that Chen Jian keeps a secret from them and asks to keep him at the bottom of the well. She also finds Ma Hongxin's body.
S01:É06 - S01:E06 - The Truth and Lie
Zou Zhiming and others pretend to believe in Chen Jian and follow him to the downstream. However, unexpected changes occurr on the way.
S01:É07 - S01:E07 - The Warning
The next day, Chen Jian and Li Qiao head to downstream to meet with Zou Zhiming, and the three of them enter the cave.
S01:É08 - S01:E08 - The Way Back
Chen Jian learns that Dayou now knows the truth, and immediately numbs Dayou to prevent him from telling others.
S01:É09 - S01:E09 - The Prophecy
When Li Qiao is helping Zou Zhiming to hold Chen Jian, he is persuaded by Chen Jian and let his guard down.
S01:É10 - S01:E10 - The Morse Code
Li Qiao, in despair, awakes from Zou Zhiming's call. She finds Zou Zhiming is walking up downstream with a strange old man.
S01:É11 - S01:E11 - The Missing Piece
With a pistol, Zou Zhiming catches Chen Jian with Li Qiao and Zhang Guangbei. They force him to leave the valley.
S01:É12 - S01:E12 - The Origin
Lu Min realizes that nosebleed is the symptom of bacterial infection, and only Chen Jian's special medicine can treat it. But Chen Jian has disappeared.