In flashback from a 'Rebecca'-style beginning: Ellen Foster, visiting her aunt on the California coast, meets neighbor Jeff Cohalan and his ultramodern clifftop house.
U. S. Customs Agent Tom Evans is given the assignment of running down a smuggling ring which hijacks Canadian fur-shipper's trucks and sells the loot in the United States.
An invalid husband (Barry Sullivan) wrongly believes his wife (Loretta Young) and doctor (Bruce Cowling) are conspiring to kill him and outlines that suspicion in a letter, which causes a serious concern when he ends up dying anyway.