Who said that life for a laboratory mouse in a glass cage is the hardest thing in life? Studying for Jenny becomes no less of a challenge. New problems and disappointments await her, she will have to learn to trust someone who hates her, and understand that everyone has their secrets. Personal life is also at its peak, but you need to survive both in spite of your enemies and your strict mentor, who is pursuing an important goal: from five students completely different in character, create a real team - a Fist of Elements independent from politicians and magicians, capable of withstanding any threat.