Complex sentence: Early in the series, she is forced to confess to Rhys the nature of her job at Torchwood when he assumes she is having an affair with Jack and after he takes a bullet for her, she defies Jack by refusing to wipe his memory.
Split into simpler sentences: Early in the series, she is forced to confess to Rhys the nature of her job at Torchwood when he assumes she is having an affair with Jack. After Rhys takes a bullet for her, she defies Jack by refusing to wipe his memory.