At the kennels, Caesar the chocolate labrador doesn't look special. But Corporal Ben Fulton sees something different - an intelligent dog whose curiosity will make him an excellent sniffer dog in the Australian Army.
On operations in Afghanistan with Ben, Caesar proves his worth, finding hidden explosives and saving the lives of the soldiers. Then, during a Taliban ambush, Caesar is separated from his master. Ben and his best mate Charlie are seriously wounded and evacuated to hospital.
But where is Caesar? From their home in Australia, Ben and his family search for clues that might reveal whether their beloved dog is still alive and surviving Afghanistan's bitter winter cold - and capture by the Taliban.
It will a long road home, and Caesar will face many hardships along the way, but for this brave and loyal dog, anything is possible.