The next morning, as soon as Wang Lun got up, he noticed the sky outside was rather gloomy, as if it were about to rain. He thought for a moment; the camp had enough firewood to last for several more days, sufficient food, and water, and the earthen houses were sturdy enough. His only worry was a leaky roof; although it had been reinforced several times, without a heavy rain, no one knew for sure if it was leaking. Next, he planned to dig a drainage ditch around the houses and cut some long sticks to hang dried fish to prevent them from getting damp. He decided to first collect some dry grass and sticks; he could dig the ditch even if it rained heavily, as long as it didn't rain suddenly.

So he quickly cooked some food and woke Li Ling up. But she had been sleeping in all day. Wang Lun was in a hurry to leave, so he didn't pay attention to Li Ling. He ate his meal in a few bites, picked up his basket and machete, and went out, telling Li Ling to stay in the camp and not to go out.

After Wang Lun left, Li Ling quickly got up, wrapped her lower body in her shirt, and went to the sink to wash her pants. She brought them inside and dried them by the fire pit, then ate a large bowl of rice from the stove. She had previously taken a sanitary napkin, which came in handy now, but what to do next? Li Ling had no other ideas at the moment; she could only take it one step at a time. After eating, Li Ling continued weaving straw sandals while drying her pants.

On the way, Wang Lun was still wondering what was wrong with Li Ling. She hadn't slept in since arriving on the island, so why was she so late today? Was she sick? No, she didn't seem to feel unwell. Could it be her period? Possibly. Today was over twenty days since they arrived on the island; it should be about time. He should be careful these next few days. Thinking as he walked, he soon reached the meadow. Wang Lun first checked the traps and found that only one of the three traps had caught a mountain mouse. He killed the mouse, restored the traps, and went to cut grass.

Meanwhile, other teams on the island also noticed the strange weather. Most were considering stocking up on food and firewood, while a few more rational ones were concerned about waterproofing their shelters. All the participants were preparing for this rain. However, what they didn't know was that this wasn't just a simple downpour, but a typhoon.

On the hillside, the Liu sisters noticed something amiss when they woke up that morning. Fortunately, their campsite wasn't lacking in most things; the only problems were the sturdiness of the treehouse and the leaking roof. Liu Ruoxi immediately decided to use the timber intended for building a wall to reinforce the treehouse, and to cut some branches to strengthen the waterproofing. The two of them skipped breakfast and went straight to the woods by the stream to cut branches.

Back at the cave, Wu Jing and her companion noticed something amiss when they woke up that morning and decided to forgo hunting for the day. They checked their campsite and found they were running low on firewood, but had enough food for a while. As for waterproofing, they didn't need it; what need did a cave have for waterproofing? Absolutely none. So, they decided to immediately go out and chop some firewood. Being the kind of people who act on impulse, they set off right away, skipping breakfast altogether.

Team 75, Tang Shengli's side, had been preparing food, firewood, and reinforcing their shelter since discovering the anomaly. Having some experience as forest rangers, they usually had a good stockpile of food and firewood, especially plenty of food. Now, their main focus was reinforcing the shelter. Since the two of them lived separately, both shelters needed to be reinforced together. Although there were two shelters, the space wasn't very large, and with the added food and firewood, it became even smaller. Previously, they could leave the firewood outdoors, but with the impending rain, that wasn't an option. After discussing it, they decided that when it rained, Tang Shengli's teammate, Zheng Yun, would move into his shelter. They would share one shelter, and the other would be used to store firewood and other supplies. Zheng Yun agreed, having come to understand Tang Shengli's character after living with him for some time. If the two of them could have repaired the cabin before the typhoon arrived, they would have easily weathered it. However, they might suffer some hardships during the heavy rain when the typhoon hits, but they shouldn't be eliminated. After all, their supplies and shelter are quite well reinforced, and they live deep in the forest. Unless they are extremely unlucky, they should be fine.

Team 83, particularly Zhao Yulong's team, is facing some problems. Their food and firewood reserves are dwindling, and their shelter is barely fortified. Oh, and the other shelter was fortified, but that was done by the girls themselves. Zhao Yulong usually boasts about how capable he is, but on this deserted island, he's gone nine meals in three days. If it weren't for his teammate Qian Xiaoxiao sharing some wild vegetables with him, he probably would have starved to death long ago. Even now, with rain approaching, Zhao Yulong still doesn't want to fortify the shelter, and he's even lazy about gathering firewood. Qian Xiaoxiao has had enough and has stopped paying attention to him, offering him food reluctantly. If it weren't for being on the same team, she would have already lost her temper. However, this time Qian Xiaoxiao is determined not to give him a single bite of food. This rain is going to last forever; if she gives him any, she'll go hungry herself. Qian Xiaoxiao has been busy searching for food, gathering firewood, and fortifying the shelter since morning.

Team 88, Hao Yun's team, is currently moving. Why do I say that? Hao Yun got up this morning to collect firewood and discovered a cave. The cave was partially hidden by vines; if he hadn't gone to collect firewood, he wouldn't have found it. After discovering the cave, Hao Yun went inside to check it out. It wasn't very deep, only three or four meters deep, and only about two meters wide, but enough for two people to rest in. So he quickly went back to call his teammate, Han Yiyi. When Han Yiyi heard about the cave, the two quickly started moving. They moved all the tools and food supplies on their first attempt. Then Hao Yun continued moving while Han Yiyi cleaned the cave entrance and organized the other items. They were supposed to work together, but time was of the essence, so they split up. After they finished moving, Han Yiyi cooked, while Hao Yun cut down some tree trunks to make a large door and blocked up the rest of the cave entrance. After eating, they continued reinforcing the cave and collecting supplies.