K-Drama 
In both versions:
ML/FL get married but ML leaves to go abroad for years to prove he can be as successful as his older brother.
ML believes FL loves his older brother
FL believes ML loves the SFL and has been with her abroad
ML's mother constantly pressures FL to divorce ML because she also thinks ML loves the SFL
ML rescues FL from a would be rapist
ML's grandma is always supportive of FL
ML/FL get married but ML leaves to go abroad for years to prove he can be as successful as his older brother.
ML believes FL loves his older brother
FL believes ML loves the SFL and has been with her abroad
ML's mother constantly pressures FL to divorce ML because she also thinks ML loves the SFL
ML rescues FL from a would be rapist
ML's grandma is always supportive of FL
