Thirty-Three Days

Jenny is a lonely university lecturer who's consciousness has traveled back in time to her younger body to try to save the future of the world. A young microbiologist is going to release a genetically modified wheat that will mutate and ultimately destroy all plant life, leaving nothing but barren windswept dust bowls.
In the past, Jenny finds a love that has been missing from her life; the kind that comes just once in a lifetime. But Jenny can only stay in that time period for thirty-three...