Two high school students, Emma and Dean, are on a class trip to Trinidad to help build a school for less fortunate children. Emma, a popular star pupil, has her life plans set out. The high school quarterback flirts with Emma, though she is instead interested in Dean, a loner who routinely gets into trouble and seldom socializes since his mother’s death. After Dean’s knife is confiscated, his father pulls strings to get his son back on the trip.
On their second night in Trinidad, Dean and Emma separately attend a boat party. During the party, Emma falls overboard when police arrive in a surprise raid. Dean jumps into the water and helps her into a dinghy. Wanting to avoid getting into trouble, he severs the line attaching the dinghy to the boat, only to discover there is no motor.
The pair drift to an island, avoiding dangerous rocks, with the dinghy’s sole paddle. After discovering the island is deserted, they find the outgoing tide has washed away the dinghy. Unsure if they will be rescued, Emma and Dean must rely on each other for survival. Together, they learn to build a fire, fish, and find food.
At first, they are friends, but eventually their bond evolves into a romantic relationship. Dean’s father, Jack, and Emma’s mother, Barbara arrive in Trinidad. Emma reveals that her parents have predetermined her future without her ever questioning it. After an extensive search, the Trinidad government officially ends the effort. Jack and Barbara both keep searching, and he hires a private rescue attempt.
When Dean and Emma find a human skeleton, he calms the upset Emma by kissing her. They give in to their growing feelings by having sex. The morning after their sexual encounter, Emma finds Dean digging a grave for the skeleton. When questioned, he becomes irritable, but eventually admits he was hoping for closure over his mother’s death, suffering guilt for inadvertently causing her fatal accident.
After being stranded over 100 days, Emma and Dean are rescued by a tourist helicopter. They are met by family, friends, and the media. Emma is thrust into a more popular position at school while Dean, still a semi-outcast, avoids approaching her in public. Readjusting to everyday life, their relationship becomes strained and distant.
Emma attends the prom, while Dean only goes because his father encouraged him. She spots him outside watching her through the window. Emma’s friend, Lizzie, encourages her to go to him. Emma and Dean kiss passionately and then dance together. Watch Blue Lagoon: The Awakening Full Movie fmovies to witness this captivating story unfold.