In a world captivated by the 'Love Alarm' app, which rings when your crush is near, Irene navigates college life with a secret infatuation for the popular Taengwang. But with the app’s unpredictable alerts and the quiet devotion of her childhood friend YaanXi, Irene finds herself at a crossroads. Will her feelings for Taengwang ever be revealed, or will destiny lead her down an unexpected path?