Complex sentence: Helped to escape on the night before his execution by Garth, Devon convinces Rachel to come with him and Garth pursues them to bring Rachel back; when Rachel refuses to return with him, Garth joins her and Devon.
Split into simpler sentences: Helped to escape on the night before his execution by Garth, Devon convinces Rachel to come with him and Garth pursues them to bring Rachel back. When Rachel refuses, however, to return with him, Garth joins her and Devon.