Manipulations: A young girl runs away to meet a man she met online who she's never seen. Her young brother alerts the police. Mattei finds the girl before the predator arrives. The girl's father takes matters into his own hands.
In the Name of the Son: After a long custody battle, a father resorts to kidnapping his son, even though he had just been granted joint custody of him. Leo and his team worry he may try to leave the country with the boy.
Ghost: After five years of captivity, a young girl, believed dead, escapes her captor. But before Mattei can move against the kidnapper, he and his team must get the girl to talk.
Under Pressure: Romain runs into the road in front of his school to escape his pursuing classmates. A car targets the boy and hits him. Mattei and his team look into the case and find a much more complex case than a hit and run.