A Peal of Thunder in the Blue Sky - S2.E6

Shūrei meets with Governor Kai, who tells her of Eigetsu’s past. He also gives her some medical texts written by Eigestu’s former caretaker Dōshu, who was the legendary doctor Kashin. During their meeting, Shūrei receives letters from Eigestu and Ensei informing her of all the occurrences in Sa Province. She immediately summons all the doctors to the palace and gives them the texts which held a great deal of information about the current epidemic. Shūrei convinces the head doctor in Kiyo to order as many doctors as possible to Kōringun village. Eigetsu meets with Ambassador Hei and assures him that Shūrei will come with the help that they need.