

Struggling designer Karen finds herself entangled with the proud and controlled fashion mogul Yvan. While Yvan searches for the mysterious woman from a passionate night, Karen's scheming friend, Yellen, impersonates her and becomes his fiancée. Yellen sets out to thwart Karen at every turn, determined to eliminate her rival and secure her own position permanently.

Iris donates her heart to a tycoon in exchange for $5 billion to help her bankrupt boyfriend Adrian rebuild his empire, surviving on an artificial heart. To spare him guilt, she pretends to be a gold-digger and leaves him, secretly raising their daughter alone. Eight years later, Adrian has reclaimed his fortune while Iris, facing heart failure with only three months to live, reunites with him. He torments her out of resentment, unaware of her sacrifice. His scheming fiancée Karen frames Iris and impersonates the "heart donor." As Iris exposes Karen's lies and the truth emerges, will Adrian realize everything in time to save her?

Ordinary office worker Milo Reed accidentally saves CEO Avery Stark—and they swap their sensory systems. Avery smells a foul stench from her porridge, while Milo smells seafood in the bathroom. Milo rides his motorcycle through freezing wind without feeling cold, while Avery shivers in her luxury car. One day, Avery locks him in her office, grabs his tie, and asks, “Have you noticed anything… different about your body?”

Lance, an Air Force special operations officer and heir to the Ashton Family, survives a mission related plane crash and is rescued by Nora, a small town doctor. When he awakens, he realizes he has lost his memory.Nora's adopted sister, Karin, claims credit for Nora's heroism after finding out who Lance is. She informs the Ashton Family that Lance is dead and assumes the role of the Ashton family's heiress since the family is grateful she at least tried to save their son.To keep her lie from being exposed, Karen targets Nora relentlessly——unaware that Lance is alive and, under Nora's care, is slowly regaining his memory.