Joan of Arcadia - Season 2 Episode 19 Trial and Error

Joan prepares to prosecute a case for a mock trial at school, per God's request, while enthusiastically planning a way to celebrate her one-year anniversary with Adam, who has secretly betrayed her. Joan surprises everyone with her passion in prosecuting a mock case against the equally motivated defense attorney, Grace. Meanwhile, while trying to hide his guilt from Joan as she plans a special anniversary night out with him, Adam decides to confess his wrongdoing to an appalled Grace. Meanwhile, Will investigates the murder of an eight-year-old girl and Helen continues her study of catholicism.