Grab your heavy coats and get ready for a chilly ocean adventure! Dink, Josh, and Ruth Rose are sailing through the icy waters of Alaska on an exciting whale watching tour. On their very first day out on the boat, they are treated to an amazing sight. A massive mother orca and her tiny new calf are swimming right alongside them! The incredible nature trip takes a dark turn the very next morning. When the boat returns to the same spot, the baby orca has completely vanished! The tiny calf cannot survive on its own and desperately needs its mother to stay safe in the freezing water. The three young detectives know they have to step in and help find the missing animal immediately. Follow Dink, Josh, and Ruth Rose as they search the coastline, talk to local sailors, and look for clues left behind in the water. You will need to keep a sharp lookout to help them solve this massive marine puzzle. Can the friends track down the baby orca and reunite it with its mother? Dive into this wild ocean rescue and find out!