Mood: The mood of the video seems to be romantic and mysterious, with a hint of intrigue. The theme appears to revolve around love, possibly with a storyline involving a thief or a mysterious past, as indicated by the text 'Jaane Woh Kaisa Chor Tha' which translates to 'I wonder what kind of thief he was'.

Environment: The setting seems to be a crowded event or a party with people in the background, suggested by the presence of multiple individuals and red decorative elements. The environment appears festive yet intimate, focusing on the interaction between the two main characters.