Pop, the tiny tugboat, works hard helping all the big boats in the harbor. That is, until the day a huge new ship, Toot, is launched. Toot doesn't want help from anyone—especially Pop. But when Toot runs into trouble, it's up to little Pop to come to the rescue!Pop, the tiny tugboat, works hard helping all the big boats in the harbor. That is, until the day a huge new ship, Toot, is launched. Toot doesn't want help from anyone—especially Pop. But when Toot runs into trouble, it's up to little Pop to come to the rescue!