Legitimate daughter and sister expecting. Sister had affair with foreigner, bore foreign-looking child. To cover it up, she swapped her child with legitimate daughter's baby boy. Legitimate daughter framed for adultery, divorced, disowned, drowned in a pig cage. Sister adopted 'foreign child' to earn 'merciful' reputation, stealing her child and life. After death, protagonist's soul witnessed truth. Filled with hatred, she is reborn to the day her sister invited her back to await childbirth.
