Channing Tatum co-directs and stars in this US comedy. Hoping to get back to active service, US Army Ranger Briggs (Tatum) agrees to accompany Belgian Malinois military dog Lulu on a cross-country road trip to attend the funeral of her handler. As he sets out on the 1500-mile journey from Washington to Arizona, Briggs finds himself involved in a series of misadventures as he struggles to control the volatile Lulu, who seizes every opportunity to showcase her military training.