Excited for her family's trip to Brazil, Lea is worried about going into the ocean, but when a new friend encourages her to embrace all that Brazil has to offer, fun turns to danger and she must prove to herself, and her brother, that she is brave.

Lea's friend Camila visits from Brazil and together they make a mysterious discovery in an old mansion, but when Lea's best friend Abby hits it off with Camila, Lea feels left out and tries to reconnect with her friends and solve the mystery, too.