Considering FL was not in good health, the decision by her son and daughter to hide the fact from her is understandable and natural. I liked the fact that they didn't mince any words when it came to strongly criticizing their father.
OMG does this really have 50 episodes of 80 minutes each? There aren't enough hours in the day!
So far, the episodes are between 60-70 minutes long, not 80. But yeah, it's definitely a pretty lengthy drama! So, if you're interested, you should watch it as it airs. If you wait too long, it will be hard to binge watch and catch up with the story.
Cover Song: https://youtu.be/Z0C_XbPGxn8
Original : https://youtu.be/C38-u5K83YQ
Link: https://youtu.be/Z0C_XbPGxn8
I couldn't find it in the Spotify.