Private detective John March has always unraveled the most complex and dangerous cases. And this investigation will not be an exception... John's brother David, a married successful businessman, asks him to find a certain Holly, with whom he met on the Internet and entered into a relationship. It turned out that she films her “love dates” with a hidden camera and then sells these recordings. Now David's whole life could be ruined... But how to find Holly? And how to convince them to destroy the records? Before March can get on the trail, the police find the body of a young woman in the river, according to descriptions very similar to Holly. Now the detective must find the real killer, otherwise his brother may become the main suspect...