Footnotes from the Quest for Dr Chatterjee's Ghost

Vihaan and Isleen stumble into each other a week after graduation — they are the only ones still left on campus. With secrets to tell and stories to share, they decide to spend their last day searching for the mythical ghost of Dr Chatterjee. The Professor died ten years ago, leaving behind his own marked-up books for the library. What answers will they reveal? And why spend their last day asking questions of a ghost's footnotes anyway?