"Because the enemy threatened to harm Barbara if Philip came with someone else. They wanted Philip to save her alone."

The twins' mouths were wide open. Their eyebrows conveyed seriousness.

"If only Philip was allowed to know, why he told you?"

"Because I threatened not to take you home if he didn't tell me."

While twisting her fingers, Emily knitted her eyebrows. "But that sounds very dangerous. What if it's a trap? Philip doesn't have to face it alone."

Louis' eyes flashed with ...