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 tho involves murder, rebelion, the search for truth, and a major change for both the kingdom and the three men.