John Thaw dons the silks as barrister James Kavanagh Q.C., one of the most highly respected criminal advocates in London, commanding admiration from colleagues and opponents alike. However, all this has come at a price as his dedication to work has taken its toll on his private life… Going beyond traditional courtroom dramas, “Kavanagh Q.C.” uncovers the pressures of legal battles and the problems of defining the truth, providing a compelling representation of the euphoric ups and costly downs of success and failure in the legal world.