小伙子威廉（希思•莱吉尔Heath Ledger 饰）虽然出身于法国的平民家庭，但从小就梦想当一名骑士，从儿时起就苦练剑术和马术。然而当时的社会只有贵族才有资格当骑士，于是威廉只当了一名贵族骑士的侍从。 在一次马上长枪比武中，威廉的主人在场间休息时突然意外死去。威廉灵机一个，穿上了主人的铠甲，骑上他的坐骑，冒名顶替并赢得了这场比赛。捧着胜利的奖杯，威廉决定继续冒充自己的主人参加在伦敦举行的世界骑士锦标赛，通过赢得比赛使自己成为一名真正的骑士。威廉启程了！
Rusty Wittenburg is a Navy SEAL struggling to balance his family life and his job. He fights daily to maintain the line between reality and the nightmares his PTSD conjures up for him. Dedicated to his team and his mission, he is willing to give the ultimate sacrifice for his fellow brothers and teammates.
Phryne Fisher sashays through the back lanes and jazz clubs of late 1920's Melbourne fighting injustice with her pearl handled pistol and her dagger sharp wit.