Every summer, Isabella Cooper returns to Wilmington, North Carolina, a place steeped in sunshine, family, and the quiet, enduring presence of her childhood crush, Nico Bradford. This year, on the cusp of her senior year, she's determined to make it the best summer yet. But with hidden feelings and unspoken words lingering between them, will Bella finally cross the pond from friendship to something more, or will the comfortable familiarity of their past keep them forever apart?

Eight years ago, Olivia Catheart nearly drowned, fleeing the sea for the city's embrace. Now sixteen, she returns to Caldwell Beach, confronting her deepest fears and the past she left behind. But the town has changed. Miles is still the sweet, familiar boy, but Weston Hendricks, her childhood friend, is guarded, distant, and hiding secrets. As Olivia unearths West's hidden life, strange things begin to happen, forcing her into a spiraling paranoia. Can she prove her stalker is real before she loses everything?