国家公园调查员乔迪·拉森与一只名叫布鲁的迷途狗组队，在荒野中破解谜团，于危险与疗愈中缔结了意想不到的羁绊。
英语教师克莱尔（丽贝卡·豪尔 Rebecca Hall 饰）被一种持续不断的嗡嗡声所折磨，似乎只有少数人才能听到这种声音。
DI Humphrey Goodman and the team are left stumped in the first episode of the new series when millionaire environmentalist and scientist Dan Hagen is shot on his boat while out at sea.
