James takes a ride around London in an eye-catching supercar, with an aspiring fitness guru who's looking for £80,000. With her eyes on a round-the-world cruise costing £30,000, an adventurous retiree wants to sell a collection of handbags and jewellery. A car enthusiast contacts memorabilia expert Lawrence about a helmet that once belonged to land speed record-breaker Donald Campbell, and James faces a dilemma when he gets an offer for one of his favourite impulse buys.