A mysterious signal is moving—and Double O Papa is determined to find out why!

When Papa and his clever canine team head out onto the ocean, Rosco discovers a strange signal coming from somewhere beneath the waves. But every time they get closer, the signal moves!

Soon, the team is chasing clues across the water while Booty digs where no dog should be digging, Ravyn notices things everyone else misses, and Squeaks races around collecting clues. What starts as a puzzling chase becomes an incredible underwater adventure when the team finally discovers what has been following them.

Is it a sea monster? A secret machine? Or something else entirely?

Join Double O Papa, Rosco, Ravyn, Booty, and Squeaks for a funny, exciting mystery filled with friendship, teamwork, clever clues, and a surprising deep-sea discovery.

Can you solve the mystery before Double O Papa does?