- The eight year old Samuel Wiese feels very lonely since his father left the family a year ago to work as a doctor in Afghanistan. Particularly important to him is now his little hamster Raffi, whom he received from his dad and who can do amazing tricks, such as shooting goals in his cage. Sammy is shocked when Raffi is simply kidnapped one day after a heart surgery. Without telling his mother Helene or his older sister Molly, he sets out for finding his little friend in huge Hamburg. But how can you find a little hamster in a metropolis with over 1.7 million inhabitants?