The movie revolves around the unspoken love and attachment between a young boy named Albert Narracott and the horse bought by his drunken father, Ted with an intention to plough his farms and more specifically to spite his landlord who was known as Lyon. The entire movie is filmed in Devon, England. Albert names the horse as Joey and trains him to plough. Their love grows as they spend time together. With the passage of time, Albert teaches Joey many different things. However, a drastic event changes everything between them. Ted sells Joey to Captain Nicholls to cover losses incurred by his destroyed turnip crops. Captain Nicholls, who was in British Army, promises the young Albert that he would take care of the Joey during the war and he would return him as soon as the war ends. Joey is trained well for all the military purposes. Unfortunately, during the war Captain Nicholls got killed in France and Joey was captured by the Germans along with other many horses. From there, Joey embarks on a new journey and ends up when a French girl named, Emilie discovers two horses inside a windmill. Emilie, who lives with her grandfather, suffers from an unidentified illness. Later, their property and the horses are confiscated by the German soldiers and they take everything away with them. Now the story takes another melancholic turn and Albert is seen fighting alongside with Andrew, his best friend, in the Second Battle of the Somme in 1918. Albert loses his longtime best friend Andrew in the battlefield against German army.