Complex sentence: The plot thickens as two new people in the story, Menka and Ragini seduce Dadi to win the heart of Soumya in order to bring Soumya back in Yuvraj's life.
Split into simpler sentences: The plot thickens as two new people in the story, Menka and Ragini seduce a third person, Dadi, to also win the heart of Soumya. They try to bring Soumya back in Yuvraj's life.