Henry Roth (Sandler) is a veterinarian living in Hawaii who
enjoys the company of vacationing women. He leaves the playboy
life behind after he falls for Lucy (Barrymore), who suffers
from short-term memory loss. Since she can never remember
meeting him, Henry has to romance Lucy every single day and
hope that she falls for him.
Source:http://www.imdb.com/title/tt0343660/plotsummary