A mother lives quietly with her son. One day, a girl is brutally killed, and the boy is charged with the murder. Now, it's his mother's mission to prove him innocent.

• Barunson E&A
• CJ Entertainment
• Kim Hye-ja
• Won Bin
• Jin Goo
• Yoon Je-moon
• Jeon Mi-seon
• Song Sae-byuk
• Lee Young-suk
• Moon Hee-ra