During a police raid at Villa Borghese, the agent Antonio Caccavallo, a widower with dependent child and parent, stops along with other women of life even Carolina. In fact, the girl is just ran away from home because she was pregnant. The poor Caccavallo so by the Commissioner is obliged to give back to the country of origin, and give it to a relative. But the task of arranging Carolina will prove to be more complicated than expected, partly because of the reluctance of the girl who does not want to set foot where she had fled. Nevertheless, Carolina somehow manages to confide in and bond with the policeman, which includes professional obligations, and despite a few troubles do not go (try to escape, and even suicide) does not grudge. In the end, lying to his superiors about the success of the mission, it will load Caccavallo welcoming her to his house, where for a long time lacked a female presence.