On board the fishing boat Alden, out of Gloucester, Massachusetts. During the chase of a mackerel school, the skipper signals for the rear dory to cut loose from the big boat. The big boat continues in a circle, towing the seining boat and net, which is dropped overboard as they go along. The dory, which is then in a stationary position, waits at the other end of the net. Here the seining boat and the dory are making the contact