Herring hotshot Richard Gillett is determined to pay off his boat, and a huge order for fish from a new buyer might just be the ticket. But first he has to out-smart and out-fish the competition.Conway has lived up to his reputation as the "underdog" all season long. But now, he has a mega haul of mackerel in his sights. If he can wrap his seine around this bunch, he'll be able to trade up to a new boat and play with the big boys.Todd gets a massive order from a foreign buyer for half a million pounds of mackerel, which would allow him to keep his processing plant in operation. He's confident he'll get there - but the mackerel are nowhere in sight, and the clock is ticking.