C1637 I'm Going to Do Something Big

Jiang Xiaolang had noticed earlier that there were two helicopters on Black Shark Island. They would leave the island every day and bring back daily necessities when they returned.

There were also a few speedboats parked by the sea, and there were often people who drove the speedboats away from the island.

Jiang Xiaolang guessed that this island should not be too far away from the mainland