I once saw a movie where a group of people were locked up in a place. Then there was a monster inside that killed them one by one. Finally, a man and a woman escaped

This plot could be written into a fantasy or science fiction novel, in which the male and female could be humans or aliens with powerful abilities and wisdom, and they could escape from a place ruled by monsters. In the novel, men and women can have different personalities and backgrounds. There may be many contradictions and conflicts between them, but in the end, they will cooperate and use their own abilities and wisdom to overcome various difficulties and challenges and finally escape the pursuit of monsters. Some mysterious forces and unknown elements could be added to the plot to make the story more interesting and attractive. For example, they might encounter some mysterious characters or items that might help them escape the pursuit of monsters or provide some special abilities or resources. In addition, in order to make the story more tense and thrilling, we can also add some monster settings. These monsters may be very fierce and powerful, but they can also be kind and need the help of humans and aliens to defeat them. Through such settings and plots, they could create a fascinating story that would let the readers feel the thrills and excitement, and at the same time, it could also train the readers 'imagination and creativity.