
Set against the backdrop of Prince Kuei's majestic palace, "The Blade Spares None" introduces viewers to Ho Li-Chun, a striking yet merciless swordswoman whose skills are unmatched. She enters an intense open tournament alongside three formidable challengers, each vying for supremacy. Among the contenders is the honorable knight Chen Jo-Yu, portrayed by Eddy Ko Hung, whose defeat marks the beginning of a deeper intrigue. Chen retreating only to return with the enigmatic knight Tang Ching-Yun, skillfully brought to life by Jackie Chan, sets the stage for a gripping tale filled with mystery and alliances.
As the plot unfolds, Ho Li-Chun's observant nature uncovers a startling truth when she recognizes Tang's unique sword—a weapon historically wielded by the notorious Sun Tien-Chen, an enemy of her family. This revelation prompts her to release Chen and Tang from captivity, demonstrating her complex sense of honor and curiosity. Driven by a thirst for justice, Ho embarks on an investigation that reveals a sinister plot: Prince Kuei, the supposed ruler, is actually Sun himself, a usurper who assassinated the true prince years prior to seize the throne.
Facing deception and betrayal, Ho Li-Chun, Chen Jo-Yu, and Tang Ching-Yun unite their strengths in a courageous alliance. Their combined prowess and unwavering determination culminate in a desperate climax within the palace walls, where they confront and ultimately vanquish Sun. "The Blade Spares None" is a thrilling tale of loyalty, courage, and the relentless pursuit of truth, showcasing breathtaking swordplay and intricate character dynamics that captivate audiences from start to finish.