
The story of two female architects who were once in love. However, when one discovers that her partner stole her work to use in a competition, their relationship turns into a bitter rivalry. As former lovers become business rivals, they employ various strategies to outmaneuver each other, while navigating a complicated love triangle when a third person enters their lives.

As she attempts to put her family's struggling business back together, perfectionist Aokbab tries to entice talented architect Rin to join the firm.

While Rin and Aokbab grow closer as they learn more about each other, they face tough competition from a rival for a big project.

While work gets underway, Aokbab and Rin's personal and professional lives start to blend together—and a long-held secret deepens their bond.

On a trip together, Rin and Aokbab discover a connection from their past. Tertis and Vee hide their relationship as a new project begins.

Inspired by the Kitakyushu trip, Aokbab brings new passion to her work, surprising her brothers. Meanwhile, Mind tries to revive their past relationship.

Aokbab and Rin work on their pitch for the vacation home, but the competing idea from Mind Space could destroy their plan.

While preparing for their next major pitch, tension simmers at Jinta Architect as employees worry about the presence of a mole among them.

Jinta Architect finds success—but an unexpected rumor derails the firm's plans. Aokbab considers her future with Rin, while Mind makes a big decision.