In The Adventure Through the Secret Portal, Lynn, Jesse, and Wayne, along with their trusty dog Pluto, stumble upon an ancient portal hidden deep in the woods.

When they step through it, they find themselves transported to a mysterious and magical realm. Filled with enchanted forests, quirky creatures, and puzzling challenges, their journey is anything but ordinary. Along the way, they uncover secrets that have been hidden for centuries and face dangers that test their bravery and wits.

With teamwork and friendship, the children must find a way to return home—but the adventure will leave them changed forever.