The couples join a coach trip to the mountains where David buys Linda a gypsy shawl she has admired - when Amy finds that she has lost her money, David sells his watch. S1 E4: Spanish Lace
David refuses to go with Amy to visit the ruins by saying that he already booked a court to play tennis with Linda; Robert still does not suspect, but Amy finally sees the evidence. S1 E6: Forty Love
With their affair now exposed, Linda and David plan to run off together - Robert wants to fight David, but Amy decides to foil their plan. S1 E7: Hasta La Vista
With Amy having sent all his clothes to the cleaners, David looks doomed to spend the rest of his holiday in drag and gets no sympathy from his wife or the Cochrans. S2 E1: Manana