The 47 Meters Down ending featured a miraculous escape from deadly sharks, only for the salvation of its central characters to be dashed by a dark last-minute twist. The 2017 survival horror movie follows two sisters, Lisa (Mandy Moore) and Kate (Claire Holt), stranded in a cage at the bottom of the ocean floor surrounded by hungry sharks. Right until its ending, 47 Meters Down is a taut, suspenseful thriller, and also features a number of great jump scares.
https://screenrant.com/47-meters-down-twist-ending-explained/