"Yoo Jung-ah, Don't fall For Your Sunbae....!"
After that announcement, Yoo Jung's life became different.
She, Eun Woo (Dong Min) and Rocky (Min Hyuk) are trapped in a love triangle between professionalism, Love and Friendship.
Yunji thought she'd moved on from her ex, but working at the same company makes it difficult. When her birthday arrives, an unexpected gift throws her world into chaos. As Yunji grapples with her newfound companion and its secrets, she must navigate the complexities of love, loss, and what it truly means to be human.