Complex sentence: The plot revolves around Mystery Incorporated, a group of four young adults and a dog who solve mysteries, who reunite after a two-year disbandment, to investigate a mystery on a popular horror resort.
Split into simpler sentences: The plot revolves around Mystery Incorporated, a group of four young adults and a dog who solve mysteries. After a two-year disbandment, the group reunites to investigate a mystery on a popular horror resort.