Phaya, Tharn, Yai, Khem, and Thongthai buckle down and commit themselves to passing the special forces exam after getting disciplined for their investigation into Lieutenant Tam's suicide.
Phaya is in critical condition at the hospital after the incident at the river. The rest of the investigation team looks for additional clues in the case and the connection to Lt. Tam.
Phaya and Tharn return to visit the Abbot during Tharn's suspension from work. A witness comes forward with evidence related to the case involving Montree.
Phaya, Tharn, and Maris return to the crime scene to search for more evidence into the serial killer. A conflict arises between Phaya and Tharn after a dinner with Chalothon.