Taxi 121 is a Czech thriller inspired by real events from 2014, when a serial killer took the lives of three Prague taxi drivers. Officially, the police attribute the murders to a single perpetrator, who remains unknown to the public. The tragedy was the impetus for the making of this thriller, which quickly draws the viewer into the story and lets them experience a whole range of emotions, from fear to courage to hope. The film not only reveals to the viewer a possible motive for the murders, but above all offers an intense story of a young married couple, Matěj and Lucie, who do not give up even when they have practically no future ahead of them...