Stationed at the Mexican border, a young lieutenant whose job is to capture a ring of narcotics smugglers, spies his sweetheart, the daughter of a U. S. Customs official, in a cantina suspected of being the headquarters of the dope ring.
On the beach one night, Christine Faber, two years a widow, thinks she hears her late husband Paul calling out of the surf...then meets a tall dark man, Alexis, who seems to know all about such things. After more ghostly manifestations, Christine and younger sister Janet become enmeshed in the eerie artifices of Alexis; but he in turn finds himself manipulated into deeper deviltry than he had in mind...
Cashier and part-time starving artist Christopher Cross is absolutely smitten with the beautiful Kitty March. Kitty plays along, but she's really only interested in Johnny, a two-bit crook. When Kitty and Johnny find out that art dealers are interested in Chris's work, they con him into letting Kitty take credit for the paintings. Cross allows it because he is in love with Kitty, but his love will only let her get away with so much.
The just-out-of-college, effete son of a no-nonsense steamboat captain comes to visit his father whom he's not seen since he was a child.