Watch on 123Movies. Leila Majnun is a well-known Arabian Persian tragedy of love in the vein of Romeo and Juliet with elements of the Arabian One Thousand and One Nights. The plot centres on two lovers – Leila and Majnun – who are denied this love because of social conventions. Majnun is driven to despair and madness because of this loss, thus living up to his name Majnun, which means “madness” in Arabic.