At Luo Yin's house, Gu Hai presents gifts for Luo Yin's family. At school, Luo Yin learns that in an upcoming medical examination, which includes genital observation, they will have to undress. Worries that Gu Hai will see him naked, Luo Yin asks the vice-monitor not to put them in the same group. However, during the medical exam, he ends up being examined at the same time as Gu Hai.
两人关系缓和后，顾海又回到了白洛因的家里，并且还给白洛因的家人都带了礼物，白洛因对顾海的态度也发生着微妙的变化。学校要体检，白洛因却被尤其告知体检过程中要脱裤子，为了不和顾海撞见，白洛因特意让副班长把他们分在两组，但在检查的过程中，他们却误打误撞地一起检查。体检后副班长告诉白洛因他疑似患有乙肝，这个消息给了白洛因一个致命的打击，他以此为由不让顾海靠近他，可顾海还是用自己的方式陪伴着白洛因，给白洛因带来了莫大的安慰。副班长在“适当”的时间告诉白洛因他没有生病，却迎来了顾海一顿暴揍。尤其想邀请白洛因周末去天津的家做客，但白洛因却因为顾海要去买家具拒绝了尤其，尤其最后把心中的怒火都发在了杨猛身上。两人一起回白洛因家复习，顾海在白洛因的教导下进步飞快。无意中顾海说出自己要没钱了的事，白洛因帮他想到了一个“赚钱”的好办法。
Na casa de Luo Yin, Gu Hai dá presentes para a família de Luo Yin. Na escola, Luo Yin descobre que num próximo exame médico, que inclui observação genital, eles terão que se despir. Preocupado com a possibilidade de Gu Hai vê-lo nu, Luo Yin pede ao vice-monitor para não colocá-los no mesmo grupo. Porém, durante o exame médico, ele acaba sendo examinado ao mesmo tempo que Gu Hai.
