How can I act like his wife when he doesn’t love me?

“I have something I want you to help me with. Let’s have a fake marriage.” Alex can’t believe her ears when Philippe says this to her. He had saved her at the beach a few days earlier, but he was a guest staying in the hotel she worked at and they were virtual strangers. However, Alex is hurt when she finds out that she was betrayed by her fiancé, so she goes along with Philippe’s clever trick, marrying him and being whisked off to France. She has no idea that she will encounter pain in the form of love in that extravagant château...