This is a coming-of-age story about kindness and boundaries. On the eve of the college entrance examination, 18-year-old student Chen Mo faces a dilemma over social obligations. In the past, he generously let his classmates stay for free, significantly affecting his family's business. This time, he learns to distinguish kindness from unreasonable demands and tactfully refuses his classmates' requests to stay at his family's guesthouse for free, drawing confusion from some of them. Facing criticism, Chen Mo remains calm and communicates with them while focusing on exam preparation. Unexpectedly, after the college entrance examination ends, someone fabricates false rumors to smear the guesthouse.