刘宋(🕕)元嘉(🌠)年(👷)间(jiān )，天下(✒)积弊积弱，侠女骊歌（李沁饰）不(bú )解监政刘义康(kāng )(🎺)（秦(qín )昊饰）暗中蛰(🌰)伏之志，误(🐮)以为(wéi )其纵(zòng )容奸佞，祸(huò )(🎲)患(🎏)朝堂(táng )，欲借太(tài )(😎)妃寿宴献舞之(🔸)机将(jiāng )其刺杀，不料却沦(lún )(🙍)为刘义康和(hé )奸佞陆远(yuǎn )（(🕌)戚(🛺)跡(jì )饰）生(shēng )(🥞)死(sǐ )相夺的棋(qí )子。阴差阳(yáng )(🐶)错之间，骊歌成为沈家将门嫡女，并与刘义康(kāng )(🛑)联姻。