If you didn't help Chiyo during your first encounter, she can be found in prison. Talking to her will start this quest to help releasing her. All you need for this is the item „Uniforms of the Begus Army“ which can be found in the haunted mine. (Map no. 31)
Obtained from Chiyo in the prison of Amagals castle if you choose not to help her during the first meeting in the storage below the prision.
Bring a uniform of the Begus army to the prison.