"Sir John Oldcastle" is one of the infamous works attributed to William Shakespeare. This play tells the story of an English villain and leader of a rebellion against the Church and royal power. Known for his belief in progressive ideas and his rejection of society's rules and demands, Sir John Oldcastle is defined by his courage and dedication to the cause, regardless of the consequences. It is a frank and impressive work that raises questions of faith, power and justice. Whether this work was actually written by William Shakespeare or whether it is just a reflection of the spirit of the time is a question that remains unresolved and mysterious for many to this day.