The young Brazilian journalist Rex Ronney is gathering data for his book on Nordic alcohol smuggling and embarks on a boat trip to Estonia and Finland, where alcohol is prohibited. On the boat, he meets the booze king Kölgis, whose confidence he wins. Kölgis issues him a letter of recommendation and sends him to the smuggler Bratt in Tallinn, who is in the service of Mart Martens, who in turn is heavily indebted to Kölgis. As a result, Betty Martens, his daughter, is compelled to get engaged with Kölgis. In order to clear her father's debts, Betty conducts the alcohol transports from Finland herself. When Rex Ronney shows up, it has consequences ... “Waves of Passion” is a gripping Baltic Sea adventure. It was shot on location on the Estonian coast at Loksa, Võsu and Käsmu, in the park of Tallinn-Maarjamäe castle, as well as in a Berlin film studio.