At Animal Ark, Mandy Hope helps her parents treat animals of all shapes and sizes. Even outside the clinic, Mandy can't resist helping any animal in need.
Alex Hastings is very ill, and must travel to America for an operation, but when her beloved kitten disappears into the snowy countryside, Mandy and James vow to find it before Alex leaves on her trip.
Twelve-year-old Mandy and her veterinarian parents find themselves involved in the filming of a murder mystery in their village when the canine star of the film runs away.