Luca, a former karate athlete and mother of a five-year-old girl, works as a detective. Together with her partners Samson, Titi, and Barbara, they undertake all kinds of investigations and complete them with consistency and discretion. Or maybe not? Her enemies say she is clumsy, and the gossip insists that the profession doesn't suit her and that she should quit. However, because she loves her job, she dreams of solving a significant case that will bring her out of obscurity and silence her critics.
So, when the opportunity knocks on her door, she doesn't hesitate to seize it and dive headfirst into an adventure filled with many dangers and twists. And just when she is struggling to make sense of things and stay alive, the great love unexpectedly appears and sweeps everything in its path.