When Frank Sterling is summoned to a behind-the-times college of further education in sleepy Southwood, he has no idea what to expect. The newly appointed college principal asks him to investigate irregularities and 'stir things up'. As he gets more embroiled in shady seaside goings-on he discovers an intricate web of criminality. Amidst danger and a growing body count, Sterling has to get to grips with the most lurid case of his short private detective career.