How interesting can a show about potatoes be and how is post-military discharge Kang Tae-oh? The potato research part sure wasn’t very interesting but it was passable as the backdrop. The story was more about some very childish people doing very childish things but thankfully, there were a few meaningful threads running through it. Kim Mi-kyung (Lee Sun-bin) is extremely childish, for example, in making life difficult for So Baek-ho ( Kang Tae-oh ) when he takes charge of the lab, for abetting the childish village chief and elders in their attempts to do the same (was that supposed to be funny?) and when expecting Baek-ho to do all kinds of silly tricks to win back her affection. You’d think she would grow up over time but she doesn’t. She is topped only by best friend Ong-joo (Kim Ga-eun), childish right to the core. 30-somethings who cannot behave their age. Hee-jin ( Jung Sin-hye ) is more annoying than chi...