Shen Chumo is an unusual collector of bad luck who accidentally transmigrates into the world of a novel. Using her unique ability, she helps others get rid of their bad luck, but repeatedly finds herself misunderstood. By chance, she meets Gu Han, the male lead whose bad luck is off the charts. She tries to approach him, but he sees her as a threat. Through a twist of fate, Shen Chumo manages to save Gu Han's grandfather, demonstrating astonishing medical skills. His grandfather enthusiastically invites her to stay and look after him, while Gu Han remains deeply suspicious of her. Shen Chumo must not only deal with Gu Han's hostility but also manage the risks brought about by her own abilities. Can she find her footing in this unfamiliar world, clear up the misunderstandings, and earn everyone's trust? An extraordinary journey of bad luck, medicine, and trust begins.