Mma Ramotswe can sense the rain long before it comes. It’s been a long, dry summer, but the first downpour of the season tends to bring with it new growth. In this case, it also brings a new client, who suspects his wife of having an affair. Mma Ramotswe is on the case, and she decides to bring Charlie along. But as they look further into the matter, they begin to suspect their client may not have been entirely truthful in explaining his predicament. Meanwhile, Mr. J.L.B.’s Matekoni has struck up a new friendship with a man named Mr. Mogorosi, a prominent figure in the motor trade business. Mma Ramotswe is concerned that Mr. Mogorosi may have ulterior motives for his attentions. When the two go on a fishing trip in waters teeming with dangerous crocodiles, she begins to worry for Mr. J.L.B. Matekoni’s safety.