Cheng Wei is about to find the final answer to the three-body operation. Is a small role in "Three-body", Shen's husband. The plot shows that Cheng Wei is about to find the final answer to trisomy. As a freshman, panhan naturally can't let this happen, so he must kill Cheng Wei. The play tells the story of Wang Miao, a nano-material scientist, and Shi Qiang, a criminal policeman, who unveiled the mystery of the "three-body" world of extraterrestrial civilization.