Mood: The mood of the video appears to be mysterious and intriguing, with a sense of suspense and curiosity. The question 'What is Vikram's past?' suggests that the video may delve into the protagonist's backstory, revealing secrets and unexpected twists. The overall theme seems to be centered around investigation, mystery, and possibly crime, given the title 'HIT: The First Case'.

Environment: The setting of the video seems to be an urban or suburban area, with buildings and trees visible in the background. The presence of a man in a dark-colored shirt and the serious expression on his face suggests a gritty, realistic tone, possibly indicating that the video is set in a contemporary or modern Indian city.