"Fighting Beauty Wulong" centers on Mao Lan, a spirited and determined young woman who aspires to become a professional wrestler. Her journey begins when she is unexpectedly drawn into the world of underground martial arts tournaments after her father, a renowned martial artist, is kidnapped. To rescue him, Mao must compete in the "Prime Mat," a high-stakes fighting tournament that attracts the world's most skilled combatants. The tournament is organized by a mysterious group with its own hidden agenda, and Mao quickly discovers that the battles she faces are far more dangerous than she anticipated.

Mao's fighting style is a blend of wrestling techniques and traditional martial arts, making her a unique and formidable opponent. Throughout the series, she encounters a diverse array of fighters, each with their own motivations and backstories. Among them is Reina, a skilled and ruthless fighter who becomes both a rival and an ally, and Tawara, a stoic and disciplined martial artist who aids Mao in her quest. The relationships between these characters evolve as the tournament progresses, adding depth to the narrative.

As Mao advances through the tournament, she uncovers secrets about her father's past and the true purpose of the Prime Mat. The competition serves as a front for a larger conspiracy involving genetic experimentation and the creation of superhuman fighters. Mao's determination to save her father and uncover the truth drives the story forward, culminating in intense battles and dramatic revelations.

The series balances action-packed fight sequences with character development, exploring themes of perseverance, loyalty, and the pursuit of justice. Mao's growth as a fighter and as a person is central to the narrative, as she learns to harness her strength and confront the challenges that arise both inside and outside the ring. The plot is structured around the progression of the tournament, with each match revealing new layers of intrigue and pushing the characters closer to their ultimate goals.