After Yan Sap Neung has a "poltergeist toxin" which caused by Lau Pei Pa. She becomes gradually weak. Sometimes, Sap Neung has a huge pain, it comes a while then disappears. Lin Fa knows that, she worries too much about Sap Neung and decided to tell it to Na Tsa but Yan Sap Neung doesn't want that. She told Lin Fa that it is just a little pain which comes from the battles in the past. Dan Kei doubts there are betrayers in the palace and outside so she entrusted Lau Pei Pa to arrest who she thinks that they can be betrayers. Lau Pei Pa arrested Lei Ching's mother and younger sister to let Dan Kei torture by pushing them down to the snakes basement if they don't tell the truth. Then, Dan Kei feels that the Lei family is not related to betrayal. Lei Ching's mother and younger sister as well as Kam Tsa, Muk Tsa are so afraid of Lau Pei Pa's action so they decided to ask Yan Sap Neung and Na Tsa for help. They also want to go to over to Keung Tsi Nga's side and help his army fight back the...