The Bengali film 'Shontaan',starring Mithun Chakraborty and Ritwik Chakraborty, is set to release on December 20. Directed by Raj Chakraborty, the film explores the complex relationship between a father and son. The movie also features Subhashree Ganguly, Kharaj Mukherjee, and Sohini Sengupta in pivotal roles.