A young, famous crime writer writes under the name Jess Clarck but is actually called Sven Hansen. He is married to a lovely woman who, in her warm, luxurious life, does not understand that her husband draws inspiration for his exciting books by diving in and mingling with the dregs of society. Jess Clarck and his wife have returned home to Denmark, and Clarck wants to write a crime novel for the first time, set in Copenhagen, but how will he find an environment in peaceful Denmark?