She slid down to the edge of the swimming pool and quietly watched the man swimming smoothly in the water. Then she began to do the doggy-paddle...

Perhaps because the pool was too large for her to swim in that style, or perhaps because she had not swum for a long time, she began to sink within a few minutes. She was so frightened that she accidentally swallowed several gulps of water.

At that moment, she felt her waist tighten, and suddenly she was out of the water.

Turning her head, she saw ...