I Was Captured and Became an Undercover Agent.

[Three Kingdoms + Machiavellian Intelligence + Online IQ + Three Protagonists + Court + Struggle for Hegemony] Three short drama extras accidentally traveled to three parallel kingdoms and were forced to get involved in the world's chess game. They dominated Wei, Shu and Wu, their intrigues and emotions were intertwined, the wheel of history competed fiercely with their personal will, and the ending was disappointing!