In a small village surrounded by lush forests and prairies, a young boy named Max faces one of the most challenging summers of his life. His family, trapped in financial trouble, is on the verge of losing their home. As he searches for ways to help, Max encounters a stray puppy in distress. At first, it seems like just a rescue of a pet, but soon he discovers that this dog is much more special than he imagined: she is a brave and loyal collie.
Max and his new companion, whom he decides to name Lassie, develop an unbreakable bond. Together, they embark on a series of adventures that lead them to explore the mysteries of the forest, uncover secrets about the town’s history, and make new friends along the way. However, as challenges mount and family issues threaten to consume them, Max and Lassie find themselves embroiled in a mystery involving a long-lost treasure.
With the help of their friends and Lassie's cleverness, the boy faces an exciting race against time to save their home. This heartwarming story is filled with friendship, bravery, and the power of love between a boy and his dog. As they face challenges and dangers, Max learns to never give up and to trust himself, while Lassie proves that canine loyalty can be the best ally in times of crisis.