At an early stage, Napoleon's troops attacked the left of the Allied line, and the regiment was ordered to charge the leading French column. The regiment did so and the French column then broke in disorder. The horses of the Scots Greys passed through the regiment to get to the scattering French troops and press the advantage.
In an early stage of battle, Napoleon's troops attacked the left side of the Allied line, and the regiment was ordered to charge the leading French column. They did so, causing the French column to break in disarray. The horses of the Scots Greys then passed through the regiment to reach the scattered French troops and exploit their confusion.