Jeong Soo-young

Four women -- Yun-jin, Mun-ok, Hwa-ja and Yeon-sil -- are inmates sharing a cell at a women's prison. They form a choir that gains enough recognition that earns them a day out of prison to perform in a choral competition.

Heartbroken and fed up with dating, two strangers agree to have a fling with one condition: they can only hook up ten times and then must part ways.

A violent crime specialist whose job puts him through struggles and hard emotions learns happiness and other ways to care as he raised a baby.

A rookie accountant is suddenly promoted to newly-minted president of Chungil Electronics just as the company is spiraling toward bankruptcy.