David Tennant stars in steamy new 80s-set drama, Rivals . Launching later this month, the eight-part series is based on Dame Jilly Cooper’s novel of the same name and is chock full of ‘romantic entanglements, dastardly deals, sex and wit’. As per the official synopsis, Rivals is set against the backdrop of the drama, excess and shocking antics of the power-grabbing social elite of 1980s England, delving headfirst into the ruthless world of independent television in 1986, where hair-dos are big