Girl Bostem feels like a wolf trapped in a cage! She couldn't understand why her mother suddenly took her away from her grandmother and stuffed her into a strange school in a strange city. She misses her deskmate friend in a distant town. She hates the cold beauty deskmate now. Unexpectedly, she found her father sitting at the same table with the beauty and mother.

She runs in the night of the city, feeling the pain of the unreasonable adult world. ...

Grandma died, holding a mysterious note left by her grandmother, and Bostem finally understood the true meaning of life. ...