Late is the hour, dark the night. Clouds blanket out the moon and stars. A lone figure is seen slipping out of the forest and onto the main road leading into the village, in search of it's doctor.
Another real world thing. White tea. Can only be picked two days a year, the two days before the flowers blossom. Could be a similiar plant that...is the deadliest poison known, cure known diseases or psychosis, or a potent herb that just tastes awesome.