Mitch Buchannon, Hobie, Eddie and Shauni travel to northern California's rugged gold country, with C.J. as their guide, to investigate the death of Mitch's prospector uncle where they find an old treasure map leading to a valuable gold nugget along a rough river. Back at Baywatch, two new recruits show up for rookie training season who are the wealthy and spoiled teen Matt Brody, and lower class swim champion Summer Quinn who moves to California with her divorced single mother looking to escape from an abusive past.。一道黑影，黑衣蒙面，黑色蒙面巾下，有一缕飘逸的胡须在迎风飘动，但就是这样的一条黑影，挟着势不可挡的万道寒光，突然从火光之中冲了出来……