Paragraph- Sent 1: Lighting a cigarette, he started for the lake and Grace returned thoughtfully to the house.
Sent  2: Mortimer hated Cartwright and Grace admitted he had some grounds.
Sent  3: Although her brother was indolent and philosophical, he did not forget.
Sent  4: Rude disputes jarred him, but if by some chance he was able to injure the other, Grace thought he would do so.
Sent  5: Grace, herself, strongly disapproved of Cartwright.
Sent  6: All the same, he was her step-father and she had tried to cultivate her sense of duty.
Sent  7: She was prejudiced, cold, and censorious, but she meant to be just and did not like Mortimer's bitterness.
Sent  8: Cartwright was occupied for some time at Montreal, and the birch leaves had fallen when he returned.
Sent  9: The evening was dark, and chilly mist rolled down the dale, but a big fire burned in the hall at Carrock and tall lamps threw a cheerful light on the oak paneling.
Sent  10: A flooded beck roared in the hollow of a ghyll across the lawn and its turmoil echoed about the hall.
Sent  11: Mrs. Cartwright stood by the fire, Grace moved restlessly about, and Mortimer appeared to be absorbed by the morning's news.? 
Question: Where did Mortimer walk toward after he lit a cigarette?
No.