3 Body Problem-S1E7-Only Advance

The next to last episode in the series showcases humanity's plan in response to the upcoming attack from the San Ti. The next step in the plan is for someone to be placed into the probe, a human, however there is not enough to send a whole human so they would like to place a cryogenically frozen brain into the brain. This episode centers around the choice of Will Downing to be this person.

The side story of Ye Wenjie also comes to completion as she is released then decides to travel back to China to the Red Coast Base where she meets Tatiana who will give her a cleaner death.

Project names

Wallfacer

Staircase Project

Characters of interest

• Jin Cheng - currently the main character of the show as the rest have left
• Admiral Raj Varma - Jin Cheng's love interest, will lead the Space Fleet
  
• Ye Wenjie - revealed as the leader of the organization that has been recruiting through the use of the helmets. Will end her life at the end of this episode or Tatiana do it.
  
• Will Downing - has a crush on Jin. Apparently is a physics professor and learns he has stage 4 pancreatic cancer with metastasis all over to liver and lungs. Will donate himself for the Staircase project as his brain is cryogenically frozen to be placed in the probe.
• Thomas Wade - The rich boss of Clarence, however seems to be important and powerful, maybe more so than depicted. Runs the whole defense organization and their pet projects.
• Clarence Shi (Officer) - has been fired from Scotland Yard, MI5, OSCT, is the lead officer on the case and surreptitiously keeping track on the scientists. He is visited by the villain woman while in the cemetery visiting the tombstone of his late wife. Saves Jin's life during a stink operation gone awry.
• Mike Evans - leader of Evans Energy, conservationist.
• Tatiana (Villain woman) - murders Jack Rooney. Seems to be a human but with more capability than most, she could be an early alien presence. Shoots Jin during the Sting operation. She manages to crawl away and escape being arrested. Fully recovered, she now is still in contact with the San Ti and will end Ye Wenjie's life.
• Dr. Demikhov - the cryogenics scientist.