 Arriving in pursuit of her daughter , Lady Bracknell is astonished to be told that Algernon and Cecily are engaged . The revelation of Cecily 's trust fund soon <unk> Lady Bracknell 's initial doubts over the young lady 's suitability , but any engagement is forbidden by her guardian Jack : he will consent only if Lady Bracknell agrees to his own union with Gwendolen — something she declines to do . 
