Event: TOWER OF LONDON 1536 Nigel's older brother and a curator at the British Museum, Preston, uncovers a riddle by Henry VIII that may lead to the wedding ring of Anne Boleyn. Preston re-ignites a sibling rivalry with Nigel, when he calls Sydney for help. The brothers' competition becomes deadly serious and Nigel discovers that his former lover, Amanda, is also on the hunt and romantically involved with Preston.