With her intuition and instinct, Laura Lebrel del Bosque, an innocent and intelligent police inspector with very original methods, naturally solves impossible crimes, dismantles alibis, and figures out who the murderer in every episode is. Meanwhile, her marriage with inspector Jacobo is not going through its best phase, she has to deal with her duties as a housewife and a mother of two very naughty five-year-old twins, and her workmate Martín cannot help getting into trouble.