Also, make sure the title is relevant. Maybe the download from Telegram is crucial to the plot—like a file that contains the key to stopping the dark events. Maybe the group is a front for a larger experiment or a cult following the series.
Ending possibilities: The protagonist succeeds in preventing the real-life catastrophe inspired by the series, or realizes they're in a loop and finds a way to break free. Alternatively, a tragic ending where the events unfold despite their efforts. Download Dark Series Telegram
Themes could include the dangers of the internet, time travel, or alternate realities. Maybe the series on Telegram is a way for the characters in the show to warn the real world or communicate across timelines. The protagonist has to unravel the mystery before the events in the show become real. Also, make sure the title is relevant