"Secret Love" is written as an Omnibus Mini-Series consisting of 5 episodes, focusing on the ups-and-downs of love relationships such as a first love, breakups, secret crushes, etc. Each episode features a member of the girl group KARA, teamed up with a leading man. "Secret Love" will be produced in advance, then be aired in Korea, Japan, Hong Kong, Taiwan and other Asian countries.

• Han Seung-yeon
• Goo Ha-ra
• Kang Ji-young
• Nicole Jung
• Park Gyu-ri