Flo and his trusted Collie pal Lassie spend the summer at Aunt Cosma's, alongside her foster children Kleo and Henry, and her dog Pippa. When local canines start disappearing, including Pippa, ...

A family in financial crisis is forced to sell Lassie, their beloved dog. Hundreds of miles away from her true family, Lassie escapes and sets out on a journey home.