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.