After some time, and with his jealous suspicions growing, Woyzeck confronts the drum major, who beats him up and humiliates him. Finally and at the verge of mental breakdown, Woyzeck stabs Marie to death by a pond.
As time passed, Woyzeck's jealousy grew, leading him to confront the drum major, who brutally attacked him and humiliated him. In a state of mental exhaustion, Woyzeck ultimately killed Marie by stabbing her to death beside a pond.