Ali Hamidi, Bobby Zamora and Roo Abbott head to the Lake of Dreams, which is also known as Grenville in the UK, for the monumental task of catching a potential British record carp in front of underwater cameras - when the team soon discover that all the carp are constantly on the move, they decide to chase them while armed with mobile underwater cameras. Will the carp run rings around the lads, or will the mobile tactics pay off to bank the big 'un?