In New Orleans just before Hurricane Katrina hits, a pregnant woman gives birth prematurely. She dies and her baby is in critical condition. The baby has to be kept in a ventilator. When the hurricane strikes, all the power goes out and everyone in the hospital leaves. But the baby's father stays because the baby can't be moved so he has to take care of his baby by making sure the ventilator stays on. And because there's no power, the only power source is generator that he has to crank every few minutes. So he has to stay awake while waiting for someone to come for them.

In Los Angeles, Henry is a veterinarian whose fiancée Kate dies in an accident on the day they're to marry. Worried that Henry has closed off his social life, his sister suggests he use a psychic to contact Kate, lay to rest unresolved feelings, and live more fully. He tries it, though he doesn't believe in it. Nothing happens, so his sister gives Ashley, the psychic, Kate's diary. Now she's able to convince Henry she's in contact with Kate and start the therapy. Two things happen: they find themselves attracted to each other, and Kate's ghost, who also has some unresolved issues, returns to stop this budding romance.