

Sun Jeong shares the same birthday as her three kids, Bit Chae Woon, Hae Deun, and Ra Hoon, so they plan to have a big party in the evening. Sun Jeong's sister Man Jeong visits the family to celebrate her birthday. Somehow, Chae Woon isn't too happy to see Man Jeong. Jae Hee goes to see Jung Won and Seo A be with them on a special day. Meanwhile, Chae Woon gets a call she's been waiting for.
Sun Jeong shares the same birthday as her three kids, Bit Chae Woon, Hae Deun, and Ra Hoon, so they plan to have a big party in the evening. Sun Jeong's sister Man Jeong visits the family to celebrate her birthday. Somehow, Chae Woon isn't too happy to see Man Jeong. Jae Hee goes to see Jung Won and Seo A be with them on a special day. Meanwhile, Chae Woon gets a call she's been waiting for.
After Bit Chae Woon meets a woman who could be her biological mother, she feels sorry for Sun Jeong. Sun Jeong thinks the woman who had approached her is strange, which leaves her feeling unsettled. Meanwhile, Bit Chae Woon's siblings discover she is looking for her biological mother, which starts a huge argument among them.