Complex sentence: On the way to Costa Brava, Imraan and Kabir find it annoying that Arjun works even during the trip and run into a misunderstanding, which ends up in a violent argument.
Split into simpler sentences: On the way to Costa Brava, Imraan and Kabir find it annoying that Arjun works even during the trip. This leads to a misunderstanding, which ends up in a violent argument.