The Mystery Beyond Bermuda

Nobody knows where Johnny or his father went.
One day, they were home on their island of Bermuda.
The next day, nobody could find a trace of them.
The last time they were seen was before their departure on a father and son fishing trip off the coast of Bermuda.
But they never came home. Angelica and Gemma, two sisters who are very close to each other, set out on an adventure to find their missing friend and his father. Curious about their disappearance, they set out from Bermuda on their father...