Under the same roof, the two began to engage in extreme tension. Gu Yan tried to tear off all the disguises of Lin Xingyao, while Lin Xingyao seamlessly switched between "well-behaved little nanny" and "shrewd spy", constantly testing Gu Yan's bottom line. During the process, Gu Yan discovered that she could not only calculate the "mental damages", but also inadvertently point out key points when he was processing documents; when he had a stomachache, she could cook the only soup that could soothe him. He began to lose control and began to have mood swings because of her.
