Luna Miranda is a student at a prestigious university in Bandung. Since her father passed away from liver cancer when Luna was ten years old, she has lived with her mother, Ratna Sari. Luna's peaceful life began to change when she returned from campus and found her mother with a guest. Judging by the shoes, Luna realized that the guest was a strange man. Her mother introduced the man as Haris Syahputra, who turned out to be her prospective stepfather. Luna was shocked to learn that her mother had been in a relationship with Haris for six months without her knowledge. Haris himself is a wealthy widower with a daughter named Aria Ningsih, who is five years older than Luna. The presence of Haris and Aria in their lives brought significant changes and triggered various complex internal conflicts. This story unveils the unexpected relationship between Luna and Aria, making their journey full of dilemmas and deep emotions.