Aboard the ferry, as passengers gather at the stern to peer at the horse that went overboard, a young girl standing beside Rachel lets out a shriek — yet the sound carries on even after she falls silent and breathes in.
When Noah and Rachel uncover the well they toss a stone to gauge its depth and we hear it strike dry concrete. Yet when Rachel falls into the well she lands in water, not on concrete.
In one sequence there is a shot of a small clock that seems to be ticking, yet its hand moves in a continuous, smooth motion. The clock’s make and model do not produce a ticking sound — it is completely silent.







