In a magical world where nature and witchcraft intertwine, a tender troll named Gregory defies the strict laws of the wicked queen Barb, who abhors everything related to joy and love. With his bright green heart, Gregory has the power to make flowers and trees grow with just a touch, but his abilities are seen as a threat by the queen. When he is forced to flee from his home in the enchanted forest, Gregory unexpectedly finds himself in the bustling Central Park of New York.
There, urban life contrasts with his magical essence, but luck is on his side when he meets a little girl named Rosie, who dreams of a world where nature and happiness are part of her daily life. Together, they forge a special bond, and Gregory decides to teach Rosie all his secrets about the magic of nature.
However, Queen Barb will not stop until she captures Gregory and extinguishes his bright light, unleashing her fury on the city. With the help of new friends, including a funny goose and a group of park creatures, Gregory and Rosie must embark on an exciting adventure filled with laughter and challenges to save their magical world. In this story packed with friendship, bravery, and the importance of being oneself, they will learn that even in the most unexpected places, hope and joy can blossom.