At a Los Angeles beach, a team of lifeguards led by Lieutenant Mitch Buchannon save lives, deal with personal dramas, fight crime and participate in over the top adventures on a daily basis.At a Los Angeles beach, a team of lifeguards led by Lieutenant Mitch Buchannon save lives, deal with personal dramas, fight crime and participate in over the top adventures on a daily basis.At a Los Angeles beach, a team of lifeguards led by Lieutenant Mitch Buchannon save lives, deal with personal dramas, fight crime and participate in over the top adventures on a daily basis.