All Is Well (2019)

Both have similar plots: mother passing away, useless father, realistic family problems and siblings getting united throughout the story.

Both are about a family dealing with the loss of a patriarch/matriarch and the secrets that come out after their death. Lued Khon Kon Jang is more of a murder mystery involving a large family while All Is Well is more of dramedy about a dysfunctional family. Both touch on the preferential treatment of male siblings over female.

Both are about familly drama, sibling relationship and life.
Both female lead are strong and smart.
Both have a little romance.

Both are realistic family dramas about a family that has become distant over the years and bringing the family back together again. Both families have a similar family dynamic (a father with one daughter and two sons).