Royal Air Force over Holland: various MSs, CUs of Mosquito bombers on field, men boarding them, motors turning, planes taxiing. Shots of Hudson bombers parked, taking off, Mosquito bombers flying past. AIR TO AIR SHOT of Mosquito bombers, of Havocs, flying low over water, over land. TRAVELLING AERIAL SHOT of water, land from low altitude. AERIAL SHOT of smoke over target. Sequence on Hudsons landing, of damage to wing of one. Shots of crash-landed Havoc bomber.