A woman's life gets twisted one day because of her biological father who shows up after 28 years of absence. He had been thoroughly hiding his identity, afraid that he might be an obstacle in his daughter's life. The father and daughter meet the "only ones" in their lives and put back together the pieces of their broken hearts.

• Choi Soo-jong
• Uie
• Lee Jang-woo
• Yoon Jin-yi
• Jeong Eun-woo
• Na Hye-mi
• Park Sung-hoon
• Koh Woo-ri