The Apothecary Diaries Episode 21 English Dubbed Episode Title: How to Buy Out a Contract Episode Description: Maomao personally takes charge of cleaning up the rear palace pharmacy to make sure it will not be sabotaged. This is after the doctor in charge of the inner court pharmacy was punished with a pay cut for mismanaging it. Guen reveals that his family is the official purveyor of paper to the palace, but ever since the empress dowager banned the cutting of trees, their business went downward as their new formulation resulted in a poor quality paper, and Guen, who now works at the palace as a result (along with an older sister) is looking at losing his family's purveyor status...