Xie Ran, a possessive and unhinged young heir, is a cold, calculating ruler in the eyes of outsiders. After meeting Lin Shushu, however, he develops an obsessive desire to possess her alone. He cuts off all her outside contact and keeps her confined under the guise of protecting her. But Lin Shushu is not as dull as she seems: she deliberately makes herself look plain, and beneath her resilient, clever exterior, she has a few tricks of her own. She holds her own with ease around Xie Ran. Will she escape or succumb? Who will possess whom? With every step, they stray further from who they used to be...