Bonanza (1959)

S03E16 The Tall Stranger

Title: The Mysterious Wanderer Plot: Hoss is set to wed Margie, a charming blonde beauty, when she unexpectedly becomes enchanted by a tall drifter named Mark Connors. Choosing to marry Mark instead, Margie quickly realizes that her new life is anything but blissful, revealing that their union was not as perfect as she had imagined.