A hospital classroom is built on the hospital floor where children with cancer are treated so that they do not fall behind in their education. Hasan, one of the children with cancer who has trouble with math, makes sense of the counting and measurement concepts around him with his abacus. Elif Teacher will soon become a part of a huge family and realize how complex and challenging the hospital process is. During this process, Elif Teacher realizes that child patients and their relatives form an intense bond with healthcare professionals. This is now the second home for every child who has been in hospital for a long time and whose treatments take years. As Elif Teacher is new to this family; we will see the change, transformation she will bring to this large family and the effects she will have on the children’s psychology.