A couple disappear from their remote coastal home. Sapphire and Steel come to the rescue.

Sapphire and Steel tell Rob about the very real dangers of the Time Corridor.

Rob decides the only course of action is to escape from the house with his young sister.

Rob hears voices in Helen's room and Sapphire becomes trapped in a painting.

Lead joins Sapphire and Steel to help their fight against the forces of evil in the house.

Sapphire, Steel and Lead call upon Helen to act as bait and entice the enemy.

Sapphire and Steel investigate events at a disused railway station.

The time agents call in Tully, a ghost hunter, to help contact the angry beings.

Sapphire and Steel see visions of the deaths of those who died prematurely.

The Darkness targets ghost hunter Tully, and closes in on him.

Steel has the idea of holding a seance in an attempt to contact the dead beings.

Steel interrogates the spirits of the dead and finds himself in trouble.

Time is advanced by twelve days.

Steel offers a bargain to the Darkness providing it returns time to its proper course.

Fifteen hundred years in the future, a young couple attempt to live in the 20th century.

Time is resentful of humankind's progress and begins to menace the couple and their baby.

Time ages the baby into an adult changeling.

The changeling threatens Sapphire and Steel with his power.

Silver joins Sapphire and Steel to confront the changeling - but Silver comes off badly.

The time agents track down the source of the disturbance.

Sapphire and Steel investigate a junk shop where a landlord and tenant have disappeared.

Liz, a stripper with connections to the junk shop, demands to see the new landlord's face.

Sapphire and Steel confront the new landlord - a shape that moves between time-zones.

The malignant Shape goes on the offensive, trapping Sapphire and Steel.

Lord Mullrine holds a party to celebrate the 50th anniversary of his business partnership.

During the party, time rolls back 50 years, and guests not alive at the time are murdered.

Sapphire and Steel realise the events surrounding McDee's death are recreating themselves.

Lord Mullrine's secretary is unable to help those trapped in the 50 year time distortion.

Sapphire confides the story to Felix - and then grants him unusual powers.

Time is trying to rewrite history by ensuring Dr McDee's survival of the murder.

Time has stopped and people from different eras begin to arrive at a petrol station.

The agents are suspicious of a couple's lack of interest in the modern petrol station.

The strangers are revealed as Transient Beings who have escaped imprisonment in the past.

Sapphire, Steel and Silver are trapped by the Time Box at the petrol station.