"ALL-IN" is a TV series based on the American professional gambler Cha Min-soo. The story tells the story of two men (Lee Byung-hun, Ji-sung) who compete with each other for love and friendship. The protagonist Lee Byung-hun plays the role of a bodyguard. Beginning to slowly become the world's top professional gambler, the role played by Zhixing is a hotel entrepreneur who became a businessman in the area. Song Hye Kyo plays a woman who is troubled by emotions. Although Song Hye Kyo deeply loves Lee Byung Hun in the play, she is... By a twist of fate, she and Zhixing end up together again.

Song Huijiao's character lived in a nunnery when she was a child. Her dream was to be a nun, but due to the needs of life, she became a waiter and translator in a casino, and went through many hardships on her life journey...