Nancy, Bess, and George's Jiu-Jitsu class at Iron Dragon MMA takes a dark turn when they discover a threatening message at the front desk, leading Nancy to investigate whether a rival academy is to blame.

A jujitsu master becomes corrupted by the glitz and glamour of Hollywood. When a respected jujitsu master eschews a lucrative prizefighting career in favor of opening a self-defense dojo, it appears that he has chosen a peaceful path in life. The dedicated master's fate takes an unanticipated turn, however, when he is manipulated into participating in ultimate fighting championships by a group of unscrupulous actors and fight promoters. Later, as...