The canto ends with their drinking of the love - potion and their fateful first kiss .
The future lovers discuss various tales of the Matter of Britain and Tristram sings two love - songs to please the innocent Iseult .
The canto ends with lovers ' drinking of the love - potion and their fateful first kiss .
The future lovers discuss various tales of the Matter of Britain and Tristram sings two love - songs to please the innocent Iseult .