"Bar S is an extraordinary bar run by three vibrant individuals: Goo Junoh, a talented young chef; Go Yul, the magnetic bartender and manager; and Yoon Jungchan, a cheerful part-timer. Their group dynamic, though occasionally complicated, keeps the bar thriving—until the arrival of Ivan, a charming and enigmatic customer who stirs up emotions and rivalries within the group. His presence disrupts their balance, setting off a whirlwind of tension, passion, and intrigue, as the four navigate their intertwined relationships in this unique and captivating tale.