Drama with a good plot and Great chemistry

I love kdramas but the standard formula of stupid girl, mediocre comedy and rich lead is really getting on my nerves. 

I would like to find Kdramas with a good plot and amazing chemistry between leads some examples are

Black

Weightlifting Fairy Kim Bok Joo

Secret

The drama could be of any genre but if it is a romcom it should be a solid one. 

I would really appreciate the recommendations  cause i'm in a severe drama slump right now.