Hae-na who is bound to inherit her family curse which is turning into a dog after getting her first kiss. The only way to break the curse is to get a second kiss. The problem is the guy who gave Hae-na her first kiss is afraid of dogs. Welcome to A Good Day to Be a Dog – Full Review. A young teacher has 100 days to break the family curse that turns her into a dog every night. If you haven’t watched this drama yet, I recommend checking out my unspoiled review here. Air Time: Wednesday 21:00 Original soundtrack: A Good Day to Be a Dog OST Synopsis Han Hae Na is a seemingly ordinary high school teacher, but her family harbors a secret. For generations, members of her family have suffered from a curse, which causes them to transform into a dog every night at midnight for six hours after kissing someone. Inconsistant day to be a dog ... Is it really a good day to be a dog ? I do not think so as this show teaches us that being a dog can be really scary, being a human by day dog by night can get you in to a whole lot of trouble... not to mention mess things up for a bunch of people...