The story takes place at the College of Music, Mahidol University over one year and covers the three seasons that Bangkok typically experiences - summer, winter and monsoon.

Four girlfriends plot to determine whether the cute metrosexual man their friend plans to marry is really straight.

A group of house maids are transferred to be secret agents to investigate a suspicious event with modest technology equipment. The new blood agents struggle in the rough and tough mission without the knowledge of how to use the equipment and that leads to the failure of their mission. Are they gonna make it while they have to do housework and the mission in the same time?