Keith is taken hostage by two criminals who mistake him for another boy. Only Mildred is a witness to the act, but will anyone believe her, and will they be able to help free Keith if they do?
Graham is given a cine camera as a birthday present from his dad, and decides to get the gang to act in a movie. Yet Lux will only take part if his new girlfriend Denise can be in it, and William has other plans for the film.
An invite to Mildred's birthday party should be a straightforward event for Graham and his friends. But when it involves a rival gang, a reformed jewel thief, a gorilla punk band and Mildred's bullying dad, things quickly turn to chaos.
Graham, angered by William playing an April Fool's joke on him, is determined to get his own back - but when a metal detector and William's watch get involved in the mix, everyone gets confused.
Romance is in the air as Graham and Robert find their attentions drawn to French foreign exchange students. But as Graham and Mildred take part in a televised treasure hunt, will Graham find his match a little closer to home?