When her grandfather has a car accident, Isabel (11) takes on his search for the sword that has been promised to her ancestor centuries ago by the world famous musketeer D’Artagnan. Assisted by her nephew Rik (12) and friend Jules (13), she will need just as much bravery, loyalty and perseverance as the illustrious musketeer to find his lost sword, to save her grandfather and to reunite her family.

2050 年，地球已變成乾燥荒涼、不宜人居的地方。戰鬥機飛行員諾娃被迫回到過去，以防止一場毀滅性的環境災難，卻未料到時空旅行的副作用使她變成一個 12 歲的小女孩。諾娃於地球時間 2025 年時墜機，然而在這個時間點，除了奈斯這個常被忽視的邊緣青少年，似乎沒有人把她和她的使命當一回事，奈斯試圖讓這個神秘的女孩和她的小飛行機器人脱離特勤局的調查…諾娃和奈斯能否成功拯救未來的世界？