Jade and Joshua were once the quintessential high school sweethearts, their young love blooming in the hallways of their school, filled with laughter and shared dreams. However, an unforeseen event shattered their once unbreakable bond, sending them on divergent paths. Nearly a decade later, fate intertwines their lives once more at a friend's lavish wedding, where glimmering lights and celebratory laughter fill the air. This reunion, however, unfolds under the glaring spotlight of fame, as both have transformed into celebrated idols, navigating the complexities of their new glamorous lives. As they reconnect amidst the joy and shimmering elegance of the occasion, the past lingers like a bittersweet melody. Just when they begin to explore the possibility of rekindling their love, an unexpected figure from their shared history reemerges, casting a shadow over the delicate world they've carefully built around themselves. Suddenly, they find themselves ensnared in a web of emotions and choices, faced with a formidable dilemma. Can Jiwon and Joshua safeguard the fragile flame of their newfound love, or are they destined to be like parallel lines, drawn close yet forever unable to meet?