Since being identified as a Guide at the age of five, Choi Taehun has spent his life searching for his destined Esper, but has never found one. Now 28 years old, he unexpectedly meets his match at an autograph signing for top celebrity Ji Gwanyeong, after being persuaded to attend by his younger sibling. As they begin working together due to their unique connection, Taehun struggles with the unexpected intensity of their bond. He insists that their relationship must remain professional, denying any romantic involvement, while Ji Gwanyeong remains confident and unfazed, teasingly suggesting that their connection will evolve into something more. Despite his reluctance, Taehun finds himself increasingly drawn to Gwanyeong, leading to a complicated and tension-filled relationship.