A Piece of Moon) is a 2001 Indian Bengali action adventure film directed by Pinaki Chaudhuri,[3] based on the Kakababu story, Santu O Ek Tukro Chand by Sunil Gangopadhyay.

As per his suggestion Kakababu (Sabyasachi), Sontu (Soham) and his friend Jojo reach Palamau Forest Bunglow to investigate the suspected kidnapper Major Thakur Singh (Mrinal).

Raja Roy Chowdhury a.k.a Kakababu is requested by his friend, CBI official Narendra Verma, to go to Major Thakur Singh, a powerful and wealthy lord of a village in the forests of Daltonganj, as he is suspected of kidnapping Simon Bubumba in demand of heavy ransom.

After a series of attacks and counterattacks, Kakababu finally has Thakur Singh captivated, only to find that the man imprisoned in his house is an impostor.

After they are surrounded by Narendra Verma's forces, Santu discovers that the ring in Simon's hand contains the stolen moonstone.