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?

Ava, a young woman haunted by a secret, finds her world turned upside down when her brother's enigmatic best friend, Gabriel, re-enters her life. Their undeniable chemistry ignites a forbidden desire, but a dark past and a brother's watchful eye threaten to unravel their clandestine affair. Will Ava uncover the truth about her best friend's death, or will her growing feelings for Gabriel consume her?