Masantonio returns to Genoa to take on the case of a missing volunteer worker.

Masantonio and Riva investigate the case of a quiet man whose life was upended by violence.

Masantonio and Riva enter a Peruvian community in search of a missing child.

Masantonioa and Riva search for a missing wife and mother.

Masantonio and Riva search for a brilliant scientist who's been missing for six months.

The search for a missing priest puts Masantonio outside his comfort zone.

Masantonio and Riva delve into two parallel missing persons cases.

Masantonio searches for a missing 18-year-old with a turbulent past.

A search for a missing commuter forces Masantonio into a dilemma.

Masantonio's new case takes a personal turn when his niece goes missing.

This episode will be made available January 31.