Actor Kim Seung Woo pays a visit to Happy Together. He shares episodes that happened with his actor friends, the love for his wife, and about when he experienced a slump in his acting career. Koh Soo Hee shares her anecdotes about her acting life and reveals secrets about Seung Woo. Meanwhile, it's part 2 of Sing My Song Ending Singer special. After the rough competition, who will become the ultimate ending singer?