Harm and Lt. Cmdr. Manetti travel to Naples, Italy when an Interpol officer believes someone aboard a US destroyer is a serial killer who has killed four women while on leave in European ports. Mac remains onboard the USS Seahawk until a replacement... (more) for Lt. Singer is assigned. (See ""Notes"" below)

Bahar, Ben Crowley, Debrah Farentino, Eyal Podell, Mat Hostetler, Nellie Sciotto, R.D. Call, Robert Baker, Rocco Sisto