Seol-ah, invited to Tae-chang’s house, unexpectedly stumbles upon Woo-jin’s old phone and manages to sneak it out. Meanwhile, Tae-chang discovers Sun-ae's true identity and insists Jeong-in return Sun-ae’s investment, but Jeong-in refuses. Amidst this, Tae-chang witnesses Seol-ah and Mi-sun together as he investigates Mi-sun's background.
