The kidnapping of Elizaveta Karamihailova
A group of her scientific opponents has kidnapped the famous Bulgarian scientist Elizaveta Karamihailova, the first woman to be assigned the position of a professor in the Bulgarian higher education. As a professor and researcher in the field of Nuclear Physics, she has many different scientific tasks that she is supposed to be involved in on daily bases to accomplish her research. To save her the students must substitute her and find a way to release her from the captors. This includes a set of puzzles in her scientific field, which the students should complete in an hour, or she will be killed.