Mina is about two twins who grew up in different worlds, utterly unaware of each other. One is Park Mina, a famous singer, who has arguments with her manager Joon Suh about her secret relationship with the rich Tae Hoon. The other one is Kim Soo Ryun, a poor girl who struggles to make a living. The story takes its fateful turn when Mina is seriously injured in a car accident, andher manager wants Soo Ryun to take Mina’s place. Things get complicated when Soo Ryun slowly falls for Tae Hoon and when a different looking Mina returns to Korea after having plastic surgery.