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, Lassie rallies the kids to solve the mystery.

A parcel carrier who has nothing to do with Christmas accidentally crosses paths with a petty thief and a mysterious little boy who doesn't speak. Nelly is stunned when Filou Sonny steals two bottles of whiskey and a vintage car from the petrol station where she has a second job. Nick, who suddenly appears between the shelves and doesn't say a word, distracts Nelly during the theft. Since she has to assume that Nick is Sonny's accomplice, she grabs the boy and takes him with her on the chase, receiving support from the elderly cab driver Gesine, who had just filled up her car at the gas station. When Nelly discovers the stolen vintage car by chance outside a villa, she sends Gesine back and asks her to look after the filling station while she is away.

A soldier is forced to travel through a dangerous wilderness with his prisoner; a young boy whose presence begins to rekindle his lost humanity.