For four years, Rangga only dared to greet Andini through a phone screen. Mount Rinjani and its 3,726-meter peak become witnesses to his courage as he finally confesses the sincerity of his feelings. Andini welcomes his love, but behind her smile, doubt lingers. Bintang, the ex-boyfriend who once caused her deepest heartbreak, returns with regret, a changed attitude, and a declaration of love that is just as sincere. Along a climbing trail that tests both body and mind, Andini faces the biggest question of her life: move forward with someone new, or turn back to resolve the unfinished memories of the past?