A palace servant trained in herbal medicine finds herself at the heart of imperial intrigue in this enthralling period mystery! The capital goes wild for the board game go when Lakan publishes a book about his games. To spread the appreciation for go even further, Lakan decides to hold a tournament open to all. Jinshi eyes an opportunity when the strategist offers to grant a single request to any gifted player who can defeat the military man himself. Contrasting the diversion of games, reports arrive of crops devastated by a plague of locusts in a remote village. Jinshi's efforts to mitigate the insects' impact will be put to the test, and the results will mean survival or starvation for the country of Li.