"Lost Smile" is a documentary that explores the effects of air pollution on daily life, highlighting how people mask their smiles in smog-filled cities. The film discusses the various sources of air pollution while illustrating its devastating impact on health and community spirit.

Amidst these challenges, we meet residents of a small rural village who come together to combat pollution through innovative solutions. Their inspiring stories show that change is possible, even in the face of overwhelming odds.

The film empowers viewers to take action in their own lives, proving that behind every mask lies a story of hope and a smile waiting to be reclaimed.