A model student is accused of a violent robbery and Natalina and Cecchini compete in a tango competition.
A former escort is found badly beaten; Tommasi and Cecchini participate in a marathon.
A woman dies suddenly while awaiting a bone marrow transplant for her son; Bianca's ex-boyfriend tries to win her back.
The owner of a company is murdered after fighting with an employee; Lia's friends are in town for a bachelorette party.