It's an emotional moment on the Isles of Scilly as they prepare to welcome home the four island men who nearly drowned attempting to row across the Atlantic. Meanwhile, the launch of Toby and Paulie's book about their life on St Martin's is nearly ruined by some uninvited guests, and Heike's veterinary nurse Sara turns up on the other side of the world, in the South Pacific.... hotly pursued by an ardent young Greg.