explanation to what lead up to the epilogue

Natalia comes home to find her husband and sister in bed together after her husband tell her they have been sleeping together for 1 year .what is she to do but pack up and leave what she doesn't realize is that she's pregnant and after 3 years away she comes back to all the drama.

In which a girl accidentally sends nudes to the hottest boy in school - Min Yoongi cover done by the amazing @taemptaejeon 💕