In this episode, we learn more about Prince Ten'yuu's past and his motivations. We discover that he is the eighteenth son in the line of succession to the throne of the Zaidera Empire, a position that allows him a life away from the political spotlight. However, the severe illness of his mother, which keeps him by her bedside, drives him to search for a cure, leading him to the Kingdom of Salutania after hearing rumors of a powerful potion.

Prince Ten'yuu's search grows increasingly desperate as he learns that his mother's condition is worsening. He confides in Sei because he believes she is in contact with an alchemist who can produce a panacea—a healing potion. Moved by his plight, Sei considers the possibility of creating such a potion, despite the complexity and potential political consequences of supplying a foreign prince with such a remedy.

Sei's research hits a dead end until she receives a gift of apple honey from Commander Hawke, which sparks an idea. She theorizes that combining various ingredients with healing herbs and her sacred powers could be the key to creating a panacea. With the king's permission, she begins experimental cultivation, utilizing her own abilities.

Meanwhile, Prince Ten'yuu receives a panacea from King Kyle of Salutania as a gesture of goodwill and friendship between their peoples. Overwhelmed by the king's generosity, Ten'yuu accepts the gift, believing it will cure his mother.

The episode ends with Prince Ten'yuu returning to Zaidera, hopeful and grateful for the aid he has received, particularly from Sei, whose efforts he acknowledges, albeit indirectly. The episode concludes on a hopeful note.