In the second episode of "When the Stars Gossip," the space station becomes a stage for a series of unexpected events and revelations that further entangle the lives of the crew members. The episode picks up where the first left off, with the crew of the G.O.-10 mission—Commander Eve, Santiago, and Gong Ryong—finally docking at the space station after a slightly delayed and misaligned approach. This minor hiccup serves as a reminder of the precision required in space, setting the tone for the challenges that lie ahead.
Upon arrival, Ryong, ever the quirky tourist, presents a container of ice cream as a housewarming gift, while Santiago inadvertently releases a swarm of fruit flies from his snack bag. These seemingly harmless creatures quickly become a source of chaos, landing on crucial levers and causing delays in operations. Commander Eve, however, sees a scientific opportunity and begins observing the fruit flies' mating habits under a microscope.

Back on Earth, Chairman Jae-ryong is growing impatient with the delays, as his secret plan hinges on the smooth progress of the mission. His plan involves using the unique conditions of space to "straighten out" the sperm of his late son, Dong-hun, which he has preserved and sent into space. The eggs, meanwhile, are hidden in Ryong's ice cream container, unbeknownst to the crew.
As the crew settles in, Ryong's ice cream gift becomes the center of attention. However, it holds a scandalous secret: the eggs are not actually in Ryong's container but in Kang-su's. Kang-su, Go-eun's ex-boyfriend, is entrusted with this crucial task, much to Ryong's dismay. This revelation adds another layer of tension to the already complex web of relationships aboard the station.
Ryong's confrontation with Kang-su is tense, as Kang-su harbors resentment over Ryong's relationship with Go-eun and is determined to win her back. Meanwhile, flashbacks reveal Ryong's deal with Chairman Jae-ryong: if the experiment is successful, the MZ Group will fund a fertility clinic in space, providing hope to others facing similar challenges. However, it becomes clear that the chairman has no intention of honoring this agreement.
The episode takes a dramatic turn when an aggressive male mouse, part of the station's fertility experiments, begins attacking its female counterparts. The crew debates how to handle the situation, with Kang-su suggesting euthanization to prevent further complications. However, when the mouse suffers a heart attack, Ryong and Eve work together to revive it, showcasing Ryong's medical skills and earning him newfound respect from the crew.
Eve's appreciation for Ryong's quick thinking is evident as she hugs him in a rare moment of vulnerability, praising him as a great doctor and expressing gratitude for his presence on the mission. This moment marks a turning point in their relationship, hinting at a deeper connection forming between them. Meanwhile, back on Earth, Go-eun attempts to contact Ryong, but he is too caught up in the celebration to answer. The episode ends on this bittersweet note, leaving viewers eager to see how these complex dynamics will unfold.
Overall, Episode 2 of "When the Stars Gossip" builds seamlessly upon the events of the premiere, delving deeper into the personal histories and motivations of the characters. The confined environment of the space station amplifies interpersonal dynamics, setting the stage for further drama and intrigue in the episodes to come.