Tim is an explorer. Last year he went on a boat to the Arctic. At first, the weather was fine, but then there was a big storm. The ship started to sink. Soon, big waves came over the boat and the ship started to sink. Jim rang for help. Luckily, a very fast lifeboat arrived. The men on the lifeboat had to rescue Jim and the crew from the sinking boat. The lifeboat took Jim and the crew to an island, but there was lots of snow and ice. The sea was frozen and the lifeboat couldn't move! Jim rang for help again. This time a plane came. Jim, the crew, and the lifeboat men all survived thanks to Jim and his mobile phone!