Peter Thornton is in the West Indies. His marriage to Steve is rocky and she has met Tiger, a local diver. Alec Stewart arrives to expand the new oil field but has taken Thornton's promotion and instead offered the job of regional manager.

The first aircraft using Mogul's new fuel crashes. Who was to blame - Mogul or the pilot?

A bomb explodes as Stewart arrives at Saigon Airport. Soon he becomes heavily involved in the conflicts of a warring people.

Fire, explosions and dangerous break outs in Mogul's new rig in the Persian Gulf. Stewart and Thornton clash head-on in their efforts to save it.

Trouble boils up for Stead during a cross-country car rally. Izard has to put his personal life before Mogul

The building of a new super tanker for Mogul in a Tees-side shipyard becomes a seven milion pound headache for Thornton.

Izard faces a desperate threat to his position at Mogul. As usual he views the crisis with amused detachment - although this may be just a protective front.

Thornton faces great danger when a hurricane strikes Mogul's new Caribbean drilling rig.

Stead faces a crisis when an African state seizes a Mogul refinery.

Mogul bring in Dr Newman to make a decision over where their new oil platform in the Mediterranean should be. For some reason the Italian office are not cooperating.

Professional and personal conflicts have broken out between two Scots engineers at one of Mogul's pumping stations in North Africa. Glaswegian MacCallum and Garvie from Edinburgh have presented totally different schemes for re-equipping the station and their conflict has now reached the point where Stead has to send out Thornton to arbitrate.

A joy-ride becomes a nightmare for Alec Stewart, driving through France in an international rally.

Trapped in the Arctic wastes of Spitsbergen, one mistake could cost Peter Thornton his life.

There is strong local opposition to Mogul's plan to build a thirty million pound refinery on the west coast of Wales.

Trouble flares for Alec Stewart when a hero from his past intrudes on his present.

Looking for a new drilling site, a survey team has been working in Northern Ontario for two years in vain. Time is running short and Thornton is sent out to hurry things along. He finds himself in an explosive sitaution.

Is Mogul's new chemical crop spray a killer? Stewart must judge when a scientist rebels.

Blackmailer, fraudster, agitator - or brilliant young exceutive? Finding out the truth about Brady is one of Thornton's toughest assignments.

Mogul is the only major oil company which has so far failed to strike gas in the North Sea. Bad weather has put all the drilling rigs out of action and the company is in danger of having to forfeit its concession. Stead orders an all-out effort and puts Stewart and Thornton in charge.