Daphne Holdfast is a young captain assigned to defend an isolated fort far behind enemy lines. Promoted due to her family's connections and mistrusted by the garrison's officers, Daphne must find the strength to unite her troops and repel the advancing enemy hordes. She has one advantage - she is an elite vision mage, endowed with supreme fighting skills. Can Daphne learn to master her growing powers before the enemy attack? Or will her first command be her last…?