Gaby and Fred are preparing for the world swimming championships which will be held in Quebec City this year. Their love will be put to the test when a former love of Gaby's turns up at the championships. Gaby finds herself at a crucial point of her life where she has to choose whether to continue competing or follow another dream that she's cherished forever, but which seems impossible to everyone else—her dream to become an astronaut.

Taking the Plunge tells the story of a teenager named Jane who navigates the ups and downs of high school life while training for a prestigious diving competition. Along the way, she forms unexpected friendships, finds love, and learns valuable life lessons. With the support of her friends, Jane overcomes obstacles and dives headfirst into her dreams.