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.

• LCH 2 Film UG
• Henning Ferber Produktion
• Nico Marischka
• Katharina Schüttler
• Justus von Dohnányi
• Annette Frier
• Anna Lucia Gualano
• Pelle Staacken
• Dennis Mojen
• Maike Jüttendonk