What is the summary of poem Lochinvar?

Lochinvar, a brave and handsome knight, rides to Netherby Hall uninvited, crashing a wedding. He's there to win back his love, Ellen, who is being forced to marry another man. He dances with her, then, seizing the opportunity during a moment of revelry and chaos, he whisks her away on his horse, escaping the furious wedding guests and winning her back against all odds. The poem celebrates daring, romantic love, and triumph over societal expectations.