Movie where person falls in lake and comes up a child

A girl who's sick of the social strictures of junior high is transformed into a grownup overnight. In this feel-good fairy tale, teenager Jenna wants a boyfriend, and when she's unable to find one, she fantasizes about being a well-adjusted adult. Suddenly, her secret desire becomes a reality, and she is transformed into a 30-year-old, but adulthood, with its own set of male-female challenges, isn't as easy as it looks.

A young couple arrives to a remote lake. Apparently this place is full of unforgettable memories from the woman's childhood. While she tries to approach the water that drowned her father, her partner finds himself in actual danger.

Apartment building superintendent Cleveland Heep rescues what he thinks is a young woman from the pool he maintains. When he discovers that she is actually a character from a bedtime story who is trying to make the journey back to her home, he works with his tenants to protect his new friend from the creatures that are determined to keep her in our world.

The life of a Northern Italian middle-class family is turned upside down after their 12-year-old son falls overboard during a sea trip, only to be picked up by a boat of illegal immigrants.

When a young man takes his girlfriend out on the lake to propose, they come face to face with the dark spirits beneath the surface.

After a catastrophic tsunami in 2004, many lives were changed forever. This movie portrays a heart-warming story of two such families, and the story revolves around a 2-year-old child believed to be washed away by the floods. 10 years later, the Tamil family learns about a 12-year-old Sinhalese girl who can understand Tamil and remembers incidents from her previous life. Soon they recognize the girl by a birthmark on her face. The young girl now has to choose between her biological family and the family she grew up with.

A hiker gets lost in the woods and decides to take a dip in the lake, where he encounters a mysterious young man.