When Ethan went back with a bucket of popcorn, he found Kylie was missing.

He got anxious at once, then heard Kylie's voice.

"Kylie!" Ethan called her.

Kylie went downstairs and said, "Ethan, come here now! I just saw Stephen."

Kylie glanced around and found Stephen was already at the door. He stopped and waved his hand at Kylie.

"Hey, don't..." Kylie lost control of herself and moved a step forward all of a sudden.

She paid all her attention to Stephen and didn't notice there was another step ...