Complex sentence: Emiko, Dr. Yamane's daughter, goes over to Serizawa's to break off her arranged engagement to him, due to her love for Hideo Ogata (Akira Takarada), a salvage ship captain.
Split into simpler sentences: Emiko, Dr. Yamane's daughter, goes over to Serizawa's home to break off her arranged engagement to him. She loves Hideo Ogata (Akira Takarada), a salvage ship captain.