No doubt this kdrama is good and quite engaging. But I didn't liked the fact that both the lead roles Lee Tae ho and Dr. ji seon were full of hatred and had vengeance towards each other. They should have forgiven each other atleast once they should have given second chance to mend their relation.
Once Ji Seon got her son to live with her atleast she should have left peacefully Tae ho. But no, to get revenge she destroyed his present family too.