Complex sentence: Molly (Haley Bennett), a 17-year-old girl, was stabbed by her mother and survived but, although she has healed from the wound itself, she is still haunted psychologically by the experience.
Split into simpler sentences: Molly (Haley Bennett), a 17-year-old girl, was stabbed by her mother and survived. Although she has healed from the wound itself, she is still haunted psychologically by the experience.