The ending could have been better or are we waiting for a sequel. I can understand how the relationship got dangerous and malicious. I guess Sigrid went into a depressing state of pregnancy n again post partum depression.
Only annoying thing is that old lady like a midwife who seemed to control Sigrid. Who was she and why her conversation on Norwegian wasn't translated?. Seriously there are really great parts and great acting but the ending leaving audience to conclude by themselves is not fair.