Khem and Wan, two young men from Chachoengsao take on the mission to investigate the truth hidden inside "Man Suang", the most luxurious and mysterious entertainment club in Siam. Behind the curtain, people gather to plan and make political negotiations during the end of King Rama III's reign. The two friends join the troupe and meet Chatra, a taphon musician. The relationship between the three develops while the dark secret of Man Suang and their hidden motives begin being revealed bit by bit. This mission, thus, involves murder, rebelion, the search for truth, and a major change for both the kingdom and the three men.

Assigned by the professor, 5 senior university students were invited to the old mansion belongs to ML.Salukjit, an old elite who welcomes them with her weird attitude. Before the decision to leave or stay has been made, ML.Salukjit terrifies them and reveals her demonic power.