medical mission drama in a not so known place.
the main plot is the romance between the main leads.
the love stories involve doctors and military/uniformed men.
the female leads in a beautiful lie are literal beauties, top actresses of the entertainment industry
the female lead in DOTS has a nickname beauty. while the male lead is big boss.
ML falls for the FL first,

similar ending.
the male lead are doctors
the premise of the story has the romantic leads spent some time or go to a remote place where disaster strikes and they help the locals with rescue missions or medical missions.

Smart and business-savvy female lead. Both FL's have calm temperament and approach their problem and family matters/concerns with a composed attitude. Both are also have good relationship with their grandfather's. The male leads are both dependable men and apparently common with the double identity trope. The ML's hold high positions in society but have a complicated distant connection to the palace/imperial family. In short, both dramas are about, double identities (male lead) and business/merchants (female lead).

They have the following similarities:
Forced marriage
Carefree son of a rich family
Bride from a low status family
Smart Female Lead
Spoiled Rich Male Lead

The plot of I've Fallen for you with regards to the relationship progress of the couple is also quite similar at the start. They got married due to the male lead family's bidding. The wife was technically kidnapped, but she ended being treated well in the male lead's household. The husband's parents are also very doting on their new daughter in law. The female lead is skilled in a certain field. She also contributes to the male lead's transformation from being the city's spoiled rich kid, to becoming a great man.