Amelia was scared for her Alpha. The only way she could protect him as if he knew about that phone call. Also, as Sean threatened her that he would involve Carter, she wanted to get him away for a while. In that way, they would have time to plan their strategy.
She had two things to worry about, her impending heat and Carter's safety. The omega was very well aware that he could defend himself, but still, he should know the gravity of the situation. Or better, the reason why he has to protect himself.
Also, she had no idea how much he remembered, which was another problem. Amelia very well knew that he was going to dig further about the royal soldier. She was not hiding anything, only excluding a few things as not to deter his judgement. Carter would proper flip out if he found out that
