Kim Saeng Min visits Happy Together Town and evaluates the hosts financial situation. Is everyone spending their money well? In The Legendary Big Mouth, it's a new episode of Sing My Song. This week, the singer with a sweet voice and the vocal teacher of "Producer 101", Lee Seok Hoon is one of the guests. Also, the rising stars of music charts, Baekho and JR of NU'EST join the show as well.