American sailor Dean Barry, 23 years old, lands in Naples in 1944. Dean develops feelings for native Lucia, with whom he has a son. Dean is compelled to leave them but finally returns to see his family again, in an changed city.
The crew of USS Titan find themselves on the brink of world war 3 with Russia when a naked stowaway appears in one of their torpedo tubes. Captain banks fears she may be Russian, but she's something far more dangerous.