Saying goodbye to her twenties, thirty-year-old Go Sa Ri welcomes this new decade of her life with open arms. Leaving behind the tangled mess of her twenties, Sa Ri is ready to make a fresh start. But walking away from the past is proving more difficult than she ever imagined.

• Yoon So-hee
• Choi Won-myeong
• Joo Woo-jae
• Lee Seung-il
• Kim Hyun-jin
• Bang Eun-jeong
• Baek Soo-hee