无须测谎仪，无须确凿证据，甚至无须声音，多数情况下只凭细微的表情变化便可判断的一个人说谎与否，这便是卡尔•莱特曼博士（Tim Roth 蒂姆•罗素 饰）的高超本领。 莱特曼博士供职于一家私人机构，该机构专事微表情的研究，对谎言的判定具有绝对的权威性。当FBI、警察或者民间机构遇到悬而未决的问题之时，便是莱特曼博士及其团队大展身手的好时候。他们凭借丰富的经验和谨慎的作风戳穿一个又一个谎言，将事实真相还原。在他们面前，任何说谎者都无处遁形。 本片根据真人真事改编。
Ally McBeal Season 5 Season 5, Episode 1: Friends and Lovers Season 5, Episode 2: Judge Ling Season 5, Episode 3: Neutral Corners Season 5, Episode 4: Fear of Flirting Season 5, Episode 5: I Want Love Season 5, Episode 6: Lost and Found Season 5, Episode 7: Nine One One Season 5, Episode 8: Playing with Matches Season 5, Episode 9: Blowin' in the Wind Season 5, Episode 10: One Hundred Tears Season 5, Episode 11: A Kick in the Head Season 5, Episode 12: The New Day Season 5, Episode 13: Woman Season 5, Episode 14: Homecoming Season 5, Episode 15: Heart and Soul Season 5, Episode 16: Love Is All Around: Part 1 Season 5, Episode 17: Love Is All Around: Part 2 Season 5, Episode 18: Tom Dooley Season 5, Episode 19: Another One Bites the Dust Season 5, Episode 20: What I'll Never Do for Love Again Season 5, Episode 21: All of Me Season 5, Episode 22: Bygones
十五岁那年的一天，Mark Wells（Tom Cullen）、Pru Carew（Sarah Solemani扮演成年角色，Megan Bradley扮演少女角色）、Danny Kenwood（O.T. Fagbenle扮演成年角色，Freedom Doran扮演少年角色）和Slade Fletcher（Lee Ingleby）到公园去玩，但是Mark五岁的弟弟Jesse搞得他们心烦意乱。他们对Jesse大发脾气，要他从此消失。Jesse跑走了……从此杳无音讯，再也没有出现过。二十年之后，Danny已是当地有名的侦探。一条消息令他感到震惊——一处谋杀现场提取的生物检材中竟然发现了Jesse的DNA！Jesse一定还活着，他就在某个地方。
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