
Daphne Reed has spent her whole life following the rules—until she meets Travis Dean. To everyone else, he’s just a troubled single father running a small aquarium shop. But behind the silence and saltwater glow, both of them are hiding loneliness neither knows how to escape.

Sun Lu, Chen Yuhang's teacher, visits Chen Xudong because Yuhang is always picked up by different women after school, suggesting a unified pick-up arrangement. Chen Xudong explains that these are helpful neighbors, not a sign of a chaotic personal life. Sun Lu then reviews Yuhang's Pinyin homework, praises it, and thoughtfully provides extra review materials and practice books, asking for parental signatures to ensure supervision. A subtle romantic tension permeates their interaction, especially when Sun Lu is leaving, and Chen Xudong's remark "So fragrant" further amplifies the ambiguous atmosphere.

This episode portrays Chen Xudong's warm yet turbulent life. Chen Xudong hosts Sun Lu, his adopted son Chen Yuhang's teacher, at home. Their interaction is ambiguous but interrupted by the neighbor Ajin's intrusion and Sun Lu's chance encounter with her ex-boyfriend Xiang Yuan upon leaving. To conceal her relationship with Chen Xudong, Sun Lu lies to Xiang Yuan, claiming she was on a home visit. The scene shifts back indoors, where Chen Xudong engages in a playful battle of wits about "sharks" with the intelligent Chen Yuhang, showcasing their father-son affection. However, a mysterious threatening phone call at the end shatters the peace. The caller blackmails Chen Xudong, stating he cannot escape even by moving, and demands 200,000 yuan within three days, revealing Chen Xudong's troubled past.

This episode uses a dual-narrative structure. It opens with Chen Xudong, shirtless, answering a mysterious phone call, mentioning "paying to avert disaster" and "a life for a life," creating a somber atmosphere. The scene then shifts to Sun Lu's home, where her mother is urging Sun Lu to marry and have children with prosecutor Xiang Yuan soon. At the dinner table, Sun Lu's father (Sun Jianhong) brings up the bizarre "Lansheng case" from six years ago. Xiang Yuan recounts the case in detail: back then, crew member Wu Guangquan committed a crime of passion, accidentally killing Captain Chen Yuan, and then coerced First Mate Chen Xudong. After the murderer jumped into the sea and committed suicide, Chen Xudong was convicted as an "accomplice" because only his fingerprints were found on the murder weapon. At the table, Xiang Yuan publicly questions the innocence of the first mate back then, believing the truth might have been concealed. Meanwhile, Chen Xudong is alone in the shadows, smoking, with an inscrutable

Sun Lu is caught in a struggle between her parents' wishes and her personal feelings. Her parents are fiercely trying to set her up with Xiang Yuan, an outstanding young man "within the system," and praise him constantly at the dinner table. This triggers painful childhood memories for Sun Lu: her parents, always under the guise of "doing what's best for you," deprived her of her interests (dancing, broadcasting) and forcefully planned her life (studying calligraphy, aiming for a teaching career). In her dreams, Sun Lu subconsciously resists her parents' control. The dream or memory shifts to an intimate moment with Chen Xudong at his fish shop. Chen Xudong's bare-chested masculinity excites her. Late at night, Sun Lu visits Chen Xudong's shop under the pretense of checking on her student's homework, only to have her true intentions seen through by him. Chen Xudong directly asks Sun Lu if she likes him. In the romantic lamplight, they share a passionate kiss, after which Sun Lu awakens from her dream.

Kindergarten teacher Sun Lu wakes up from a spring dream about student's parent Chen Xudong, feeling ashamed and confused. The next day after school, Chen Xudong comes to pick up his adopted son Chen Yuhang. The father and son have a warm interaction, and Sun Lu quietly observes from the side. However, Sun Lu's ex-boyfriend Xiang Yuan suddenly appears at the school gate, harassing Sun Lu and begging on his knees to get back together. Facing Xiang Yuan's harassment and tugging, Chen Xudong steps forward to protect Sun Lu, and the two immediately get into a fierce physical altercation. Sun Lu panics and stops them. After the conflict subsides, Chen Xudong receives treatment at the hospital, and Sun Lu accompanies him with a heart full of guilt.

In the hospital, Sun Lu unexpectedly discovers from the payment slip that Chen Xudong's marital status is "single," which raises deep doubts about Chen Xudong's relationship with their child, Chen Yuhang. After the bandaging is complete, Chen Xudong proactively leaves his contact information, offering to protect Sun Lu if Xiang Yuan harasses her again. Sun Lu is already feeling embarrassed by a humiliating voice message from Xiang Yuan (mocking Chen Xudong as Xiang Yuan's "substitute" and not as well-built as him). Unexpectedly, Chen Xudong confronts her forcefully in the elevator, launching a tense counterattack against Xiang Yuan's "chest muscle" theory, instantly filling the air with romantic tension between them.

This episode showcases the subtle emotional tug-of-war between Chen Xudong and Sun Lu. In the elevator, Chen Xudong provocatively compares himself to Sun Lu's ex-boyfriend Xiang Yuan, revealing intense possessiveness and jealousy. Later, in the hospital corridor, Sun Lu refuses to pay medical fees under the guise of "labor fees" and, acting as a teacher, scolds Chen Xudong for fighting at the kindergarten. Though Chen Xudong teases her verbally, he accepts her admonishments. On the way to a "date" at a restaurant, the sleeping Xiao Hang murmurs "Daddy" in his dream. This address injects a complex yet warm atmosphere into the car, hinting at the inseparable bond between the three.

Chen Xudong drives Sun Lu to her blind date with Xiang Yuan. On the way, Chen Xudong intends to explain Chen Yuhang's background, but is interrupted when Sun Lu receives a call from Xiang Yuan. Hearing Xiang Yuan call Sun Lu "girlfriend" brings bitterness to Chen Xudong's heart. Upon arriving at the restaurant, Chen Xudong pretends to be courteous by opening the car door for Sun Lu, self-deprecatingly calling himself a "rough person" who is nonetheless polite. After meeting Xiang Yuan, Chen Xudong interrupts their conversation by asking about Yuhang's medication dosage. Sun Lu, embarrassed, introduces Chen Xudong to Xiang Yuan as merely a "student's parent." Chen Xudong watches them walk into the restaurant, his expression dejected.

During a date with Sun Lu, Xiang Yuan displays obvious jealousy and disdain towards Chen Xudong, whom Sun Lu encounters as a "student's parent." He then confesses his deep feelings to Sun Lu and gives her a necklace. Back home, Sun Lu's parents (Director Sun and his wife) praise Xiang Yuan highly and take the opportunity to belittle Sun Lu's ex-boyfriend from college. However, as Sun Lu prepares to show her mother the necklace from Xiang Yuan, a hospital payment slip with "Chen Xudong" printed on it accidentally falls out of her jewelry box. Upon seeing the slip, Director Sun's expression changes drastically, and he sternly interrogates Chen Xudong's identity, ending the episode on a tense cliffhanger.