Shark biologists Dr. Johan Gustafson and Dr. Mariel Familiar López are looking into reports of bull sharks stealing from fishermen in Weipa. Could this deliberate and drastic change in behavior offer fresh proof of shark intelligence?。During the cold and rainy off-season a man arrives in a seaside town and, giving his name only as Pierre, checks into the only hotel which remains open. His arrival arouses curiosity and a degree of suspicion, as people note that he appears to know the area, yet gives no explanation for his presence at that bleak time of year in the dead-end town.。