由德国畅销小说时空之恋改编的同名电影第二部Saphirblau（F调的宝石蓝/蓝宝石）。　　 Gwen has just discovered, that she's the final member of the secret time-traveling Circle of Twelve. Now she has to juggle with constant trips to the past, her relationships with Gideon and figuring out dark secrets surrounding the Circle. 《F调的宝石蓝》的别名有：藍寶石,时空之恋2：F调的宝石蓝,时空恋人三部曲：Ⅱ蓝宝石。