Summary Locked in a dark cell in an illegal zoo is an adult lion who became known as Ivan -Asen. A result of generations of inbreeding at Razgrad Zoo, Bulgaria, he's in extremely bad condition, with skeletal deformations as a result of growing up with no room to move. He was rescued by animal welfare organisation, Four Paws and has been rehabilitating in Sofia Zoo. It's a temporary holding facility while Four Paws find a long-term sanctuary equipped to care for a lion in his condition as he will need specialized care and pain medication for the time that he lives. He's about to make the journey to his forever home. After weeks of crate training the veterinarians who specialize in large animal transports Marc and Juno are relieved that Ivan- Asen doesn't need to be tranquilized to be moved into the crate. He walks in willingly. After beginning a life in such hellish conditions, Ivan-Asen is on the road to recovery. The team first have to navigate the Balkan Mountain ranges in the middle of winter, it's a perilous journey with dangerous road conditions. Never having felt grass under his feet before, his first step into his new home is an emotion alone for the team who have been fighting for his rehabilitation. Finally, he can live in peace, under the care of the team at the FELIDA Big Cat Sanctuary in the Netherlands.

• Documentary