在获得新技能后，跟踪Gretel和她的宠物仓鼠。现在，保护哥哥凯文必须弄清楚如何与格雷特和她的宠物合作，保护他们的城市免受神秘的危险。

　　The creators of Phineas and Ferb present a series about the descendant of the namesake for Murphy's law, which states that if anything can go wr