A mentally troubled stand-up comedian embarks on a downward spiral that leads to the creation of an iconic villain.
Arthur Fleck works as a clown and is an aspiring stand-up comic. He has mental health issues, part of which involves uncontrollable laughter. Times are tough and, due to his issues and occupation, Arthur has an even worse time than most. Over time these issues bear down on him, shaping his actions, making him ultimately take on the persona he is more known as...Joker.
Arthur Fleck is a wannabe stand-up comic who suffers from many mental illnesses, including one which causes him to laugh uncontrollably when he is nervous, and often gets him into bad situations. Arthurs mental health causes almost all people in society to reject and look down upon him, even though all he wants is to be accepted by others. After being brutally beaten, having his medication cut off, Arthurs life begins to spiral downward out-of-control into delusions, violence, and anarchy until he eventually transforms into Gothams infamous Clown-Prince of Crime.