"It was just an empty promise."
When Lily was little, she met a charming boy named Colby. They felt as if they only had each other to rely on, leading Colby to ask THE question... "Lily, will you marry me?"
However, their friendship is cut short when Lily's family moves away. Thus, leaving her heartbroken and missing Colby terribly.
Fast forward years later, Lily is now a college student, while also filming ghost explorations for her YouTube. One day, she bumps into someone who looks strikingly familiar - it's Colby!
As they spend more time together, Lily and Colby's feelings for each other deepen, but they face obstacles that threaten to keep them apart. Can they overcome these challenges and fulfill the promise they made to each other as children?