It's been 10 years since the creation of the Great Truce, an elaborate joint-species surveillance system designed and monitored by cats and dogs to keep the peace when conflicts arise. But when a tech-savvy villain hacks into wireless networks to use frequencies only heard by cats and dogs, he manipulates them into conflict, and the worldwide battle between cats and dogs is BACK ON. Now, a team of inexperienced and untested agents will have to use their old-school animal instincts to restore order and peace between cats and dogs everywhere.

When 10-year old orphan Mary Lennox is sent from India to live with her reclusive uncle Archibald (Colin Firth) and his strict housekeeper Mrs Medlock (Julie Walters) in a mysterious Yorkshire manor, she feels more lonely than ever before. But her curiosity and determination lead her to disobey the adults and explore the forbidding house. While roaming the grounds of the manor she discovers an enchanted and boundless garden that has been hidden for years and reflects her limitless imagination. With local boy Dickon, her sick cousin Colin and a playful stray dog, she embraces this world of wonder which unlocks secrets from the past, revealing a whole new life of hope and friendship.