Marine corporal Megan Leavey bonds with a military dog named Rex as the pair detect explosives in Iraq. When Leavey is injured and forced to return home, she vows to cut through the military’s red tape to adopt Rex. Based on a true story., A true life story based on the heroics of a young US marine corporal Megan Leavey who served in Iraq along with Rex, a military combat dog., In this moving drama, marine corporal Megan Leavey bonds with a military dog named Rex as the pair detect explosives in Iraq. When Leavey is injured and forced to return home, she vows to cut through the military’s red tape to adopt Rex. Based on a true story., Marine corporal Megan Leavey (Kate Mara) bonds with a bomb-sniffing military dog named Rex as the pair work together detecting explosives in Iraq. When Leavey is badly injured in combat and forced to return home, she vows to cut through the military’s red tape to adopt Rex. Based on a true story., A true life story based on the heroics of a young Marine Corporal Megan Leavey who served in Iraq along with Rex, a military combat dog.