Various singers and musicians are gathered for a folk music course that will occupy a weekend in the fantastic country mansion called Follymead. Most come only to sing or to listen, but one or two have non-musical scores to settle. When brilliantly talented Liri Palmer sings
“Black, black, black is the color of my true-love’s heart!
His tongue is like a poisoned dart,
The coldest eyes and the lewdest hands..."
she clearly has a message for one of the audience. Passions run high, and there is murder brewing at Follymead.
Among the music students are Tossa Barber and her boyfriend Dominic Felse. When disaster strikes, Dominic can privately enlist the aid of his father, Detective Inspector George Felse, to unravel the tangle of events.