Joan of Arcadia (2003)

S02E19 Trial and Error

Joan eagerly prepares to take on the role of prosecutor in a school mock trial, believing it's part of a divine calling, all while secretly organizing a special celebration for her one-year anniversary with Adam, who has been unfaithful. Her determination surprises her classmates as she passionately faces off against the equally driven defense attorney, Grace. While Joan plans a romantic evening, Adam struggles to conceal his guilt and ultimately chooses to confess to an shocked Grace. At the same time, Will delves into the investigation of a murdered eight-year-old girl, while Helen continues her exploration of Catholicism.