Two young students at a prestigious prep school for girls are assailed by an evil, invisible power when they are stranded at the school over winter break.

A teenager becomes overwhelmed with guilt after her lies to support a friend's claim of sexual assault lead to the accused teacher's suicide.

The story starts about a war commander's fighting against the Razakar and East Pakistani Army in the time of the liberation war, Bangladesh. After the death of the commander, his elder brother becomes Shipahi to protect the mother nation.