Belok Kanan: Barcelona! tells the story of Francis, Retno, Farah and Ucup, four high school friends. Without realizing it, the relationship between them becomes little by little a complex love relationship where the feelings are not necessarily mutual. After the graduation, the four separate, each following his own path through different countries. The suppressed feelings revive when Francis sends a wedding invitation to his three best friends announcing his marriage to a Spanish girl in Barcelona. From different parts of the world, the three go to Barcelona. Each one has an objective in mind: to seek answers to their strong feelings that still persist from the institute. Are they going to find true love in Barcelona?