Wow didn't think 2021 would start the year with a big bang so many amazing dramas.  When I saw the title and Cast Kim ji/So Hyun  what a great combination until KJS was replaced with Na in woo(ep7-20)  I wasn't sure but he & cast made it like nothing changed. Everything was amazing the clothes to setting and ost. There were funny, serious moments. I know this was about true character in life, but it stated the story and history would be different. The idea of this drama about a king being controlled by Prime Minister Won Pyo to look and act as a druken puppet in court in order to loose his power in front of the officials . He listens to Go won pyo and consort jin(I think having an affair) making him believe that the queen had an affair year ago and the princess might not be his and she went to the su eon temple. He snaps and orders Go won pyo to have his wife and dtr be killed (what a jerk he could of atleast investigated or just captured) So Won pyo goes to suneon town and starts killing everyone as the queen tells pyeonggang to run and general On Hyub tells On dal to protect the princess. Won pyo puts an arrow in the queens heart and makes On Hyub plead to treason in order to save the people and is killed. Meanwhile the King goes to the temple & killing everyone until he is told that the monk has been away over a month he drops the sword. The princess and On dal were seperated and she hid in the temple and was kidnapped and drugged by the Sharman to forgot her past. Now 8yrs later we find out the princess aka Yeon ja jin was made into an assaain by the sharman in order for her to kill the king to revenge his wife and baby.(also let her kill her dad) While trying to she has a vision and fails as she escapes she runs into On dal while being chased by palace guard and is shot with an arrow. He bring her back to ghost Village and takes care of her while trying to find out her identity out. She meets her friends San & jinas they were tracking her and they tell her that her dad in trouble. She rushes back and On dol follows her.. She gets the Sharman to released her dad & tells him she wants her memory back as her nightmare of the past are terrible and so he sedated her and put in jail. She is rescured by Ondal and her dad tell her she adopted and that she has a jade pendant that comes from the palace. So she sneaks into the palace for answers and thru the headaches remembers her secret passage and sees her nanny and asks if she knew her.. Your the missing Princess pyeonggang and in a panic she runs out and the nanny follows and gets caught by Go won pyo who threatened to kill the Crown Prince so she agree to spy. Ga jin goes back to On wol and the ghost village and tells him who she is and they start to remember the past of there parents being killed. He wants to learn how to use a sword and so she sends him to the temple for Monk wol gang to teach him. In order to live together they get married and are happy, but she needs to see the king about the past(as her memory are returning). She sneaks in, but he thinks she's a ghost and tells Won pyo and Consort Jin who now scheem to catch/kill her. She see the king in private and explains she only getting her memory back and what happened to her 8yr ago and why she didn't return. Upon seeing the Crown prince*(CP) and talking about the King's crazy behavior she then realize hes being poisoned slowly with medicine. Now she returns to the palace as Princess Pyeonggang and figures out the CP is also being poisoned. Now Won pyo trys to get her to Marry his Son Go geon in order to gain more power. She not interested as she bring her husband On dal into the court which cause an uproar. Now what happens are the internal/external fights as On dal proves his father Innocence and is given the postion/title of General. Princess prove that won pyo and Consort jin are bad as the rebellion happens and the princess and general fight side by side together and kill many guilty official like PM won pyo (it felt good to watch lol) but too much blood is shed and he finds his mother killed by Go geon they chase him, but he disappeared into silla. So On Dal decided to leave the palace and return to the ghost village alone and the princess stayed to help the CP. Four years have passed and the CP is now King and doing good and the princess still missing Ondal. So she sneaks out  to find Ondal and they talk and then he kicked her out and tells her not to return. She leaves in tears and so is he. Back in court the official are talking about getting back the 2 kingdom that were stolen. In the interm the princess has won many war and getting recognized by the people, but in court Queen Jin fathers is egging the king she has much power and might rebel. In court she want to lead the war and him being jeousley he locks her in jail. She would rather die then have Ondal kill more, he tell her if Ondal returns he'll believe her. She tells him to kill her, so the next day Ondal comes to rescue her and together will take back Adam den & silla (but the queen became a traitor) OK that's it for now you need to watch all the fill ins and have some tissue. Unexpected ending