True Life Library #303

A professional skin-diver hires Jean to act as his fiancée on a job where he will be in contact to a girl he had previously been engaged to before she ditched him for a rich guy. Now she wants to get back together with Dirk, but Jean is tasked with keeping her away from him. The couple he is working for are looking for sunken pirate treasure that they plan to hand over to a museum. But there is someone else on board the 'Sea Sprite' that plans to steal the treasure.