Pandavas look to defeat Bhishma

Bhishma suggests the Pandavas should only perform their duty of defeating him and the Kauravas. The Pandavas request Bhishma to leave the war zone, and stay alive until they start ruling Hastinapur. Later, Dhritarashtra panics on learning that Shikhandini has returned to the battlefield. Will Shikhandini be Bhishma's killer?