Someone"s trying to make the students sick at the upscale boarding school, Danforth Academy! Abby, Paige, Claire and Taylor, join forces to solve the mystery. Could it be Mia or Riley - the girls who have everything that money can buy? Or Emily the know it all Principal"s daughter? Maybe it"s the wacky Sean Meneskie? Or the school"s strange Professor Plume. Whoever it is, the four best friends are going to find out! 　　译文(2): 有人想让丹佛斯高级寄宿学校的学生生病！艾比，佩吉，克莱尔和泰勒联手解开谜团。会不会是米娅或者莱丽那些拥有钱能买到的一切的女孩？还是艾米丽知道校长的女儿？也许是那个古怪的 Sean Meneskie？或者学校的奇怪教授羽毛。不管是谁，四个最好的朋友都会发现的！