This is the story of a girl named London (Cheverly Amalia) who has everything in terms of career. London became a model and a top artist who came from a well-off family. However, despite having it all, London has always faced a number of problems. Candra (Gading Marten) likes London and tries to approach her by disguising himself as a gay.

66 tells the story of an assassin-for-hire, who is hired to kill a police informant, but instead steals the money and runs, igniting the spark that leads a criminal organization to go to war with itself.

Ryan, a new student, finds difficulties in adjusting to the lessons. This becomes the beginning of his meetings with Laras, a clever and modest girl, who helps him. The intimacy between Ryan and Laras causes Anggie to get jealous. So Anggie and her friends gang up on Laras, and this misunderstanding causes a rift with Ryan. Then Ryan admits that he is in love with Laras.