It was Lucy's 18th Birthday and she need to pick a husband to marry 4 months
Her father and mother had already picked someone
He was E.N.D (Etherious Natsu Dragneel)
the demon prince of Hell
Lucy wasn't sure she wanted to Marry him but then after a while she may have started to gain feelings or did she?
Some other people felt Jealous and they were mad and had a plan to throw off the wedding