Lilly arrives for the first aid course way too late and provokes with her behaviour the teacher Mr. Grimm. Especially since she has actually only eyes for her classmate Noah. Her classmate Susan, on the other hand, is top of the class and is interested in Lilly herself. Meanwhile, Mr. Grimm wants to convey the teaching content, Lilly tries to get in touch with Noah, but Susan deliberately and the teacher unintentionally try to thwart this every time…