Earth to Echo, Tuck, Munch, and Alex, a group of close friends, start receiving strange and encrypted messages when a construction project begins in their neighborhood. Believing that something important is happening, the friends go to their families and some authorities for help. However, everyone around them dismisses the messages as unimportant. Determined to uncover the truth, the trio embarks on a secret adventure to decode the messages and find their source. Along the way, they discover a mysterious and desperate extraterrestrial creature who needs their help. This epic, intriguing, and thrilling journey will change their lives forever.