Here’s a concise review of the relationships and romantic storylines in Phim Cap Vinh Thien (likely referring to the Vietnamese historical/C-drama adaptation The Legend of Zhen Huan or a similar court drama, as “Cap Vinh Thien” isn’t a standard title—possibly a transliteration mix-up; if you meant Hoàng tử Vinh Thuyên or something else, let me know). Assuming you refer to a Vietnamese-dubbed version of a Chinese palace drama like Empresses in the Palace (真传), here’s the analysis:
The romantic arcs are secondary to political survival but drive key betrayals and motivations. The main female lead’s relationships are defined by shifting power dynamics rather than pure love.