Mary was confined in Sheffield Castle, and although she kept her servants and her queenly way of life, she was not free to leave. Mary had not been imprisoned long when she told a servant of the Spanish ambassador, tell King Philip II of Spain that she needed help getting free. Elizabeth suspected Mary of communicating secretly with England's enemies, but Mary claimed to be innocent. The strange relationship between Elizabeth and Mary would drag on in this way for twenty years. Later, a group of young men was conspiring against Elizabeth, and they wrote to Mary about it. She approved of the plot in writing, she even offered advice. Mary was tried and convicted of treason. On the morning of February 18, 1587, after twenty years