Release Message:  Surviving two attempts to end their lives, the Doctor (Tom Baker) and Sarah seek the identity of the plant fanatic who ordered the hit on the arctic base.

Description:  Surviving two attempts to end their lives, the Doctor and Sarah seek the identity of the plant fanatic who ordered the hit on the arctic base, pursuing their only lead - a commissioned painting of a rare flower left in the boot of a car. Chase, meanwhile, is doing all he can to encourage the hatching of the Krynoid pod.