該劇分為《九陰真經(jīng)》《東邪西毒》《南帝北丐》《五絕爭鋒》四個單元?！毒抨幷娼?jīng)》單元講述了海商之女梅若華，少時遭奸人滅門，自此背負血海深仇。她因緣際會拜師桃花島，從此改名梅超風，并與師兄陳玄風暗生情愫。梅超風一心想修習絕世武功復仇，誤以為黃藥師私藏《九陰真經(jīng)》不愿傳授，梅陳二人情根深種，定情盟誓，決定攜手盜取經(jīng)書，叛逃出島。二人練成九陰白骨爪，黑風雙煞，一戰(zhàn)成名，卻注定無法長相廝守?！稏|邪西毒》單元講述了黃藥師、歐陽鋒，兩個初涉江湖之怪人，一個逍遙近似仙，一個天真如孩童，亦敵亦友，亦正亦邪，他們用自己的規(guī)則打破江湖秩序，掀起一場云譎波詭的亂世紛爭。《南帝北丐》單元講述了逃婚出宮的大理世子段智興與丐幫弟子洪七一見如故，烏蠻女子依火誤將洪七當作和親對象，一場烏龍成就命定緣分。洪七因緣際會習得神功，成為丐幫幫主，昔日父輩深仇卻引兄弟反目，“一陽指”對上“降龍十八掌”，石破天驚 ！《五絕爭鋒》單元講述了絕世武功秘籍《九陰真經(jīng)》重現(xiàn)，引江湖廝殺，少女葭蘭意外成為尋經(jīng)“活地圖”，遭各路人馬窮追不舍，更結識黃藥師、歐陽鋒、段智興與洪七等當世高手。眾人約定華山論劍，天下第一者得《九陰真經(jīng)》，最終全真教王重陽力壓群雄。此時幕后黑手現(xiàn)身，一場捍衛(wèi)武林正義的決戰(zhàn)就此引發(fā)。

　　A Time to Heal -The team is called out to Northern Ireland to investigate the bodies of two men killed by paramilitaries twenty years ago. For Sam, it is a case that is soon to turn personal…
　　Death by Water - Tensions are running high in the ‘leaderless’ team as Leo and Harry clash over an investigation into an outbreak of breathing difficulties among children on the South Coast.
　　Nowhere Fast - When members of a race horse owning syndicate are killed in a helicopter crash, Leo and Harry investigate – and an unexpected new face at the mortuary lends a helping hand.
　　Body 21 - Approached by a group of survivors from a recent train crash, the team investigate the wreckage and a new mystery – the identity of the unidentified body 21.