In a picturesque Scottish town, the life of a girl named Mary is completely transformed when her beloved pet, a daring cat named Thomasina, suffers a serious accident. Deeply affected by the loss, Mary plunges into sadness and loneliness, setting aside her dreams and play. However, the town's veterinarian, Dr. Angus, whose relationship with the community is as complicated as his personal life, becomes a ray of hope.
Upon discovering the magical connection that links Thomasina to the ancient beliefs and myths of the region, Angus embarks on a daring mission to revive the cat. With the help of Mary’s kind housekeeper and the wisdom of a mysterious old woman who practices ancestral rituals, the veterinarian confronts the boundaries between life and death.
Meanwhile, Mary, struggling against the pain of her loss, embarks on an emotional journey that will lead her to discover the true meaning of love and the connection between living beings. As the story unfolds, the relationship between the girl, her cat, and Dr. Angus transforms into a journey of redemption and hope. Eventually, the magic of life intertwines with reality, taking the viewer to an exciting conclusion that shows that sometimes, souls can reunite in unexpected ways.