One day, the wife has changed. She becomes more forgetful, gets herself lost on the streets, and finds it hard to recognize people she meets every day. She used to cook full meals for many guests but now struggles to even make fried eggs. Like so, her time goes backward.
A couple celebrates their son's birthday in the middle of the ocean on their boat . A violent storm hits and it brings up hungry creatures from the depths and they fight for their survival.