The people of Troy took Helen who was daughter and he order his army to go after her immediately
The Greeks sailed to Troy and immediately tried to get her back
But the Greeks could not make past the walls of Troy and then after ten years the thought all hope was lost. But then Odysseus, one of the kings finest warriors had a plan.
They built a giant horsed and left on the coast of Troy. The Trojans thought it meant that they had won. Little did they know that the Greeks were hiding inside the horse. The Trojans brought the horse in to Troy.
Odysseus let all the Greeks in and they took Helen and destroyed Troy.