“Then the realization that so much had happened after that meeting made her feel incredibly lucky suddenly. It was so easy for a man and woman to find each other, to find someone who would do, but for her to have found Carol– […].”
Patricia Highsmith, The Price of Salt
Mikasa is forced to marry Levi because Mikasa's family has too much debt. Unknown to Mikasa, Levi is having an affair with his secretary - petra. Slowly she starts to fall in love with him, and then she finds them doing the dirty in his office.