Dynasty - Season 5 Episode 23 : Photo Finish 1989

Alexis is relieved and Blake is concerned when Amanda suddenly changes her mind and decides to marry Prince Michael. Sammy Jo is revealed to be the culprit behind the compromising photographs. She realizes the scheme to split them apart is useless until she spots a woman who bears an uncanny resemblance to her aunt. Blake returns to the mansion after spending the evening with Ashley, and is surprised to find Krystle has cancelled her planned business trip. Krystle, hurt by what appears to be Blake's betrayal, immediately takes the baby and leaves the mansion.