Monika and her two cousins, Pravir and Roomy, form a small group devoted to the protection of the environment. They discover the world of through adventure, mystery and romance. From Nainital to Delhi and back they make friends, explore places of interest together and even solve the mystery of a ‘Green Ghost’ in a haunted house. The Three Greens, as they call themselves, are just as curious as they are environmentally conscious. They learn from their peers, elders and from nature. Engagingly told these stories conduct us through small experiences and seek solutions to serious environmental issues.