The immediate problem is that she is on trial for her life, charged with murdering her former lover--if Lord Peter does not prove she is innocent, he will lose her before he even persuades her to accept his proposal of marriage.
She is on trial for her life. Trial for her life is charged with murdering her former lover. The immediate problem is this. He will lose her. He even persuades her to accept his proposal of marriage. Lord Peter does not prove. She is innocent.