After So Yul goes off on her own to get some break from child-rearing, Hee Joon and Jam Jam enjoy their Singapore trip together. They visit one of the most beautiful zoos in the world and see various animals up close. The Kang family starts off the day with a cheerful song as usual. While they are enjoying their morning, someone rings their doorbell. Who could have visited them early in the morning? Stay tuned to find out. (thetvdb.com)