The series description says it takes place in the '40's but the car they use (the beautiful red car) is a 1952 Hudson Hornet.
Shipping containers seen in harbour did not exist in 1940's. Malcolm McLean invented and patented the first standard shipping container in the USA in 1956.
The Stockholmsyndrome.
Marina mentions the Stockholmsyndrome in one episode, but the phenomena wasn't coined until the 1970, while the series takes place in the 1940's.