Best friends Tuck, Munch and Alex are spending their last few days together before their houses are demolished by a highway construction project and they are forced to move away from each other. However, events take an exciting and unexpected turn when they start receiving cryptic signals on their mobile phones with maps directing them to a secret location. The inseparable trio are convinced that this could be the beginning of an amazing adventure and set out to crack the code and discover the meaning of the messages. This leads them to encounter Echo, a mysterious alien from another planet who desperately needs their help in order to return home. An epic story beyond the wildest of imaginations, the race is on for the friends to save Echo as they embark on a journey that will change all of their lives forever.