The trailer will include the following key elements:
1) The happy marriage of a couple is disrupted when the husband begins acting strangely and obsessively towards his wife after their children leave for university.
2) Scenes showing the husband's changing and darkening behavior are intercut with happier scenes from the beginning of their relationship.
3) The wife seeks advice from friends who discover the husband had issues with past relationships, shocking the wife.
4) Their argument escalates when the husband finds the wife with another man, proving his suspicions.