Complex sentence: She is seen crying at night over the loss of her daughter and has begun to help with the nighttime look-out shift on top of the RV, and finally agrees to go with the rest of the group to Hershel's farm.
Split into simpler sentences: She is seen crying at night over the loss of her daughter and has begun to help with the nighttime look-out shift on top of the RV. She finally does agree to go with the rest of the group to Hershel's farm.