In the next we might be enemies. Or marry. In Celine Song’s gloriously romantic film Past Lives, Na-young, played by Greta Lee, and Hae-sung, played by Teo Yoo, are childhood sweethearts.

Greta Lee and Teo Yoo play long-lost sweethearts in "Past Lives." Credit: A24 Mashable's entertainment team picks our Watch of the Week, TV shows and movies that you absolutely must add to your list.