It follows the story of Henry Roth, a womanizing marine veterinarian who falls for an art teacher named Lucy Whitmore. When he discovers she has amnesia, and forgets him when she falls asleep, he resolves to win her over again each new day. The film received mixed reviews but was a commercial success. During the end credits, it featured a dedication to the memory of Sandler's father Stanley, who had died at the age of 68 from lung cancer on September 9, Henry Roth, a marine veterinarian at Sea Life Park Hawaii on Oahu , only dates tourists to avoid any serious commitments.
His closest friends are Ula, a marijuana -smoking Islander ; Alexa, his androgynous assistant; Willy, his pet African penguin ; and Jocko, a walrus that lives at the park. Assuming she is a local, which prevents him from introducing himself, he unsuccessfully attempts to return to his womanizing routine. The next day, Lucy shows no recollection of ever meeting him.
The restaurant owner Sue explains to Henry that the year before, Lucy and her father Marlin traveled to the North Shore to pick a pineapple for his birthday. While they were returning, a cow wandered through a broken fence and onto the road, and the ensuing car accident resulted in Lucy being diagnosed with anterograde amnesia , whereby she remembers everything up until the night before the accident. Although Lucy's short-term memory functions normally during the day, that day's experiences are lost when she sleeps, and she wakes up every morning thinking that it is Sunday, October To spare her from the trauma of her condition, Marlin and Doug, Lucy's steroid -addicted brother, re-enact Marlin's birthday daily.
Despite Sue's warning, Henry attempts to get Lucy to have breakfast with him several times, but when he unintentionally offends her one day he follows her home to apologize. There he meets Marlin and Doug, who instruct him to not speak to Lucy at breakfast.
Later, Marlin and Doug permit Henry to continue encountering her when they discover Lucy regularly singing the Beach Boys ' " Wouldn't It Be Nice " in her painting studio just on the days Henry managed to meet her, the first major change in her routine since the accident.
