Yuying (by Kabby Hui), Mengli (by Joyin Cai), and Xiaomiao (by Yomi) have been good friends since meeting at University, Mengli and Xiaomiao soon become popular social media stars after graduation; on the contrary, Yuying prefers a steady job and a quiet life. One day, Mengli comes up with an idea of putting a live travel show online. Accompanied by Mengli and Xiaomiao’s two admirers, Jiwen and Ali, all five of them set off to an island for location scouting. On the boat their rower, an old woman named Xiong, convinces them to visit another island where they can find nicer beaches. Despite the beautiful scenery, they are unable to broadcast the live show as no internet signal can be received on that island, however, Xiong has already left to pick up another customer. There is still no sight of Xiong even after dark. The five of them start blaming each other, and strange things begin to happen… First of all, Jiwen and Ali go missing one by one. Then, when the girls search for Jiwen and Ali, they fall into a trap. The next day morning, they find themselves locked down in an old stone house, where they finally meet Xiong again, but she no longer puts a friendly face this time. Being the sole household on this remote island, Xiong is determined to help her hideous and disabled grandson, Ah-xiong, to get a bride! The girls refuse to compromise at the beginning, Mengli and Xiaomiao give in one after another in exchange for water and food, except Yuying who still persists and awaits the chance to escape! The long-awaited chance finally arrives, to their surprise, they find out that Xiong actually has three grandsons, and this leads to their escape plan ends up in failure. When they are about to give up, Yuying finds herself pregnant. The three girls have to work closely together for the last attempt of great escape.