Burlington Public Library

"If it weren't for the sharks, the reef would be a tropical paradise underwater. In this second adventure, Pi and Cordelia are now parents of their new son Junior. And Pi's shark enemy, Troy, is again on the loose, on the hunt with his shark gang, and just waiting for high tide. Pi decides to train his family and reef buddies in the art of water fu to have them all prepared for the underwater battle. When a mysterious new reef fish, Ronny, begins...

During a visit to the library, a young girl discovers a strange book about coral reefs and suddenly finds herself surrounded by the coral cities of the sea.

When Pi, an orphaned fish, escapes the fisherman's net to move in with his aunt on an exotic coral reef, he meets his true love, Cordelia. But before Pi can start his life with Cordelia, he must outsmart the bully tiger shark also determined to win her heart.

If oceans continue to warm at the current pace, coral reefs could be wiped out by century's end. But scientists from around the globe are rushing to help corals adapt to changing climate through assisted evolution. Follow scientists as they attempt to crossbreed heat-resistant corals, and even transplant corals' algae, in a race to save the coral reefs from extinction.

Viewers get a look at coral spawning as well as various life forms that live in and around the world's largest coral reef, located off the coast of Australia.