The series follows the life of a thirty-year-old woman who is forced by circumstances to leave her husband and London, and return to her hometown of Lódz. While driving her car one night, she witnesses a dramatic situation which looks like suicide, but which she finds highly suspicious. The police seem to be indifferent to the case. Desperate, Ola looks for help on the Internet, where she finds a group of amateur detectives that solve criminal cases the police are unable to.