S1, E2: Markus works in a restaurant as a chef. While shooting for a 'mannequin challenge' in the restaurant, Markus collapses to his death. Team CID reaches the crime scene to investigate the case. ACP Pradyuman learns that the restaurant owner used to contaminate the food with liquid nitrogen. Dr. Salunke too finds the traces of liquid nitrogen in Markus's body. Will Team CID be able to solve the case?