Sumet and Plangpit looks like a normal couple but they have a problem in bed. Sumet is so stressed about a complicated case that couldn't be solved. One day, a disabled writer named Tossanai moved next to their house. Plangpit talks to her new neighbour and gets into a big fight with her husband. Today, Sumet did not see his wife after he arrived back home then he smelt a bad smell from the well behind his home and saw a dog at the bottom of the well. He returns to Tossanai's house but only the computer is turned on. He then read the novel which is similar to his life and at the end of the story is someone following the ant. He then follows the ant and found his dead wife. Who is the killer of his wife, can he close the previous 2 cases, where is Tossonai and why did he lie about his disability?