Mood: The mood of the video appears to be romantic and melancholic, with a sense of longing and heartbreak. The theme seems to revolve around love, betrayal, and possibly revenge, as hinted by the title 'Wafa Ne Bewafai' which translates to 'Loyalty turned Unfaithfulness'. The overall tone seems to be intense and dramatic.

Environment: The setting of the video seems to be a mix of intimate and possibly dark or gritty environments, given the purple tone and the dramatic expressions of the actors. It could be set in an urban or contemporary setting, possibly in India, given the language and the movie title 'Teraa Surroor' (A Lethal Love Story).