Natsu and Lucy begin to realize their feelings for each other after a series of envy-ridden instances. Lucy goes on a job with Gray. Natsu spends a day alone with Lisanna. Etc. Frustrating each other for reasons they don't yet understand, they embark on a 'journey of the heart.' And where the X marks treasure, they will find where their hearts become one. (Plus some side ships)

Lucy has an abusive boyfriend Sting and he threatens to hurt her if she leaves him so Lucy is trapped until she meets him a boy named Natsu, They start to secretly hang out and fall in love with each other. will Sting find out? Will Lucy escape Sting? Can Natsu save Lucy?- Nalu and slight Jerza, Gruvia, Gale

Chase Myers' visions and dreams are trying to tell her something, but she ignores them. Instead, she goes to visit her childhood friend, Natsu Dragneel. But she has a special reason for visiting him. Her exceed, Thunder, is being very cautious of her. Natsu X OC