Love Thy Neighbour (1972)

S6E2 Jacko's Wedding

Jacko comes back from his vacation in a blissful haze, much to the delight of the group, especially since he's treating them to drinks. However, the excitement takes a turn when he reveals that his stunning new fiancée, a dazzling blonde named Amy, is by his side. Eddie can't shake off a nagging feeling and starts to question her intentions, sensing something off about the situation.