They don't alter the past. They don't spy on the future. Yet, even very cautious time-travel research leaves plenty of room to get into trouble.
Time, Limited is a foremost authority on space and time research. Wary of the time travel-related doomsday scenarios described by science fiction writers, the employees of the company take every precaution imaginable and move forward carefully as slowly.
But when a critical experiment is threatened by a natural disaster, even the best-laid precautions go tumbling down, and the nerds have to think on their feet to protect the research and ensure the company's recovery.