Cottonwood Lake was so calm, it looked like glass

So why did Nate feel as if he was at the center of an out-of-control storm? Sarah. Here on his doorstep. The last person he'd ever expected to see was his ex-wife–with a child, no less. And then to hear her say those four incredible words, "Will you marry me?"

But Sarah has to have a life-threatening operation and there's no one to care for little Matty but her. And that's why Nate grudgingly agrees to go along with her plan. Against his better judgment.

After all, what happens if Sarah survives?