Tergantung Rindu tells the story of the lives of two siblings named Alif and Alia, who lost both of their parents in an accident. Since then, their lives have never been the same. Alia started not talking to her brother because there was something hidden in her heart. Alif always wondered what caused Alia to hate him. Razip, a friend of Alif and Sarah, Alif and Alia's cousin, always encouraged Alif and Alia to make up again like other sibling pairs.