Lincoln and Sara Walker have gone through their share of heartache, but through it all, they had one another, and that was enough to make it past the turmoil and into the calm.

But the calm has gone, and with it, Lincoln's security that all is okay with him and his wife.

Sara is keeping something from him, something big, and every day that she remains close-lipped about it is a day he wonders if her love for him is fading, if she regrets being with him.